ACTE provide is one of the best BI and Data Warehousing Cognos Training in Adyar, Chennai. We will provide extensive support for your career and you ought to get on your thanks to becoming proficient in Cognos. Our Cognos Training Course fees are economical and tailor-made based on your requirement.BI and Data Warehousing Cognos Training at Adyar, Chennai. Cognos is the leading strategic supplier of enterprise business intelligence solutions and therefore the first company of business intelligence software.Our Training will give you great understanding on Cognos and the required Course materials. We start with the brief introduction on Cognos, Data WareHousing, OLTP Vs OLAP Databases, Concepts of Schemes, ETL and Reporting tools.BI and Data Warehousing Cognos Training Institute with Placement in Adyar, Chennai.
Cognos Training in adyar
Weekdays Regular (Class 1Hr - 1:30Hrs) / Per Session
- 25- Sep- 2023 Starts Coming Monday ( Monday - Friday) 08:00 AM (IST)
- 27- Sep- 2023 Starts Coming Wednesday ( Monday - Friday) 10:00 AM (IST)
Weekend Regular (Class 3Hrs) / Per Session
- 30- Sep- 2023 Starts Coming Saturday ( Saturday - Sunday) 10:00 AM (IST)
Weekend Fast-track (Class 6Hrs - 7Hrs) / Per Session
- 30- Sep- 2023 Starts Coming Saturday ( Saturday - Sunday) 10:00 AM (IST)
Cognos Training in adyar
The Cognos Training in Adyar, Chennai that is provided by ACTE is considered one among the best business intelligence to financial performance and from strategy management to analytics applications , Cognos software can provide whatever your organization needs to become top-performing and analytics-driven. In SAP Business Objects, you have multiple tools like Web Intelligence for reporting , IDT for Universe Designer, Dashboard Designer so users feel that it is a tough task to manage and learn all the tools. Cognos Administration for managing Security, portlets , etc. Cognos Query Studio for One can create reports on the fly using this . Cognos Analysis Studio as far as i understand it does support only multi-dimensional sources like PowerPlay Transformer Cubes, TM1 etc. Cognos Connection also has another product called GO!.
ACTE trainer will be handled in either weekday or weekends programme depends on candidate requirement. And specially we are the only institute Best online Cognos classes in Adyar, Chennai. In pan india we have 25 Branches specially in Chennai ACTE institute have 7 Branches. Every topic will be covered in mostly practical way with real time examples. The quality source material , the efficient practical lab, practise session for extra timing in ACTE institute Adyar, Chennai.
We have 24x7 live support to assist our candidates with their needs , To facilitate maximum understanding We have limited admission per batch. We provide Cognos Training Institution with Placement at Adyar, Chennai. ACTE institute located in various places in Chennai. For Cognos Training institute at Adyar,Chennai. We provide 200+ technologies with a modern syllabus. Joining Cognos Course at Adyar, Chennai has numerous benefits for our candidates.
- Classroom Batch Training
- One To One Training
- Online Training
- Customized Training
Key FeaturesACTE Adyar offers Cognos Training in more than 27+ branches with expert trainers. Here are the key features,
- 40 Hours Course Duration
- 100% Job Oriented Training
- Industry Expert Faculties
- Free Demo Class Available
- Completed 500+ Batches
- Certification Guidance
Authorized PartnersACTE TRAINING INSTITUTE PVT LTD is the unique Authorised Oracle Partner, Authorised Microsoft Partner, Authorised Pearson Vue Exam Center, Authorised PSI Exam Center, Authorised Partner Of AWS and National Institute of Education (nie) Singapore.
CurriculamCognos Course Syllabus at Adyar , Chennai
- Introduction to Data warehousing
- OLTP Vs OLAP Databases
- Architecture of DWH
- Different Approaches of DWH (Kimball Vs Inmon)
- Data mart Vs Data Warehouse
- Fact Table Vs Dimension Table
- Concepts of Schemas (Star schema & Snowflake schema)
- Types of Dimensional Data Modeling
- Data Modelling and Types
- Logical Data Model
- Physical Data Model
- Onine Analytical Processing (OLAP and Types)
- ROLAP, MOLAP, HOLAP, CUBES
- Industry leading ETL and Reporting tools
- BI Vendor Comparison
- Review Corporate Performance Management
- Introduce Cognos 10 BI Architecture
- What is Content store,Content Manager, Dispatcher?
- Different studios in Cognos 10 BI
- Working with different data sources in Framework manager
- Highlight key capabilities of Cognos 10 BI and new features
- Cognos Architecture( Single Tier, Three Tier and Multi Tier)
- Define Framework Manager and its purpose
- Describe the Framework Manager environment
- Examine the Cognos 10 and Framework Manager workflow processes
- Examine the Framework Manager user interface
- Create a project
- Create Data source connection
- Create Namespaces
- Overview of Business view and Database view
- Overview of Presentation view
- Create Cardinality Relationships
- Create Model Query Subjects
- Data source Query subjects and Query items
- Create Determinants
- Regular Dimension and Measure Dimension
- Model Filters, Prompts & Calculations
- Create Business Logic
- Leverage user defined functions
- Stored procedures
- Data for mutilingual Audience
- Create Preparing the Metadata
- Create Creating Star Schema
- Security level Types
- Data level Security
- Object Level Security
- Package Level Security
- Verify Objects
- Performance Tuning
- Create & publish Packages
- List the packages available for reporting
- Examine report types
- Add and save data to ad hoc reports
- View data by using charts
- Create list, grouped list, and crosstab reports
- List the charts available and their appropriate use
- Calculate and sort report data
- Define a custom group to define your own report item
- Drill down and drill up
- Change rows, columns and measures
- Show values as percentages
- Manage the number of items retrieved
- Display data graphically
- Examine Report Studio and its interface
- Explore different report types
- Create a simple, sorted, and formatted report
- Format, group, and sort list reports
- Format and sort crosstab reports
- Create a report with repeated data
- Work with dimensional data in a report
- Create charts
- Present data using new chart type options
- Create and reuse custom chart palettes
- Present key data in a single dashboard report
- Create filters to narrow the focus of reports
- Determine when to apply filters on aggregate data
- Examine source filters
- Use parameters and prompts to focus data
- Identify various prompt types
- Customize prompts to facilitate users’ choices
- Search for prompt items
- Navigate between pages
- Enhance report design
- Add report objects to enhance design
- Format data and report objects
- Add a background image to a report
- Add row numbers to a report
- Create multi-lingual reports
- Highlight exceptional data
- Show and hide data
- Conditionally render objects in reports
- Analysis Studio Fundamentals
- Nest Data in Crosstabs in Analysis Studio
- Create Analysis with Multiple filter
- Reusable analysis
- Build Advanced Crosstabs in Analysis Studio
- Focus with Filters in Analysis Studio
- Creating reports from cubes
- Drill down and drill up
- Introduction to Event Studio
- Create an agent
- Add tasks to an agent
- Run an agent through its lifecycle
- Schedule an agent
- Introdcution to Dashboards
- Create Dashboard
- Types of Filter-Value, Slider and advanced filter
- Overview of RSS Feed and web Page
- Content Pane
- Create Widgets
- Sort, Filter and Calculate data
- Hands on
- Overview of Business Intelligence Advance level
- Create Different types of Reports
- Reporting Styles and filters
- Create dashboard objects
- Summarize data and Create Calculations
- Dispatcher and Services
- All Services
- Properties of Services
PlacementACTE Adyar offers placement opportunities as add-on to every student / professional who completed our classroom or online training. Some of our students are working in these companies listed below.
- We are associated with top organizations like HCL, Wipro, Dell, Accenture, Google, CTS, TCS; IBM etc. It make us capable to place our students in top MNCs across the globe
- We have separate student’s portals for placement, here you will get all the interview schedules and we notify you through Emails.
- After completion of 70% Cognos training course content, we will arrange the interview calls to students & prepare them to F2F interaction
- Cognos Trainers assist students in developing their resume matching the current industry needs
- We have a dedicated Placement support team wing that assist students in securing placement according to their requirements
- We will schedule Mock Exams and Mock Interviews to find out the GAP in Candidate Knowledge
ReviewsOur ACTE Chennai Reviews are listed here. Reviews of our students who completed their training with us and left their reviews in public portals and our primary website of ACTE & Video Reviews.
praveen1 day ago Awesome Place to Gain Knowledge in ACTE Velachery.This is BEST Institution For who are all want to study IT Courses like cognos, And also Best Trainer Pradeep sir. He taking the Class From Basic So, You Can Easily Understand the topic and can workout by your own ideas.
sneha2 days agoMyself sneha,This ACTE training institute Very good to Freshers to experience students to get Job In cognos, where concepts must be cleared, Here faculty Pradeep Sir here so friendly and they clear your doubts perfectly. I will suggest the beginners as well as the experienced to join ACTE for their Developing the skills. Thank you!
gayathri2 days ago This ACTE institute is super good.The teachers like Pradeep sir who is a cognos teacher, teaches very well. Other teachers are also good. Being a fresher i joined here and now i got placed. so will suggest everyone to join ACTE @ Velachery.
harshini4 days agoVery friendly trainer, Pradeep sir provides informative session and explains cognos concepts in a very simple manner each and every time.Most importantly very flexible with the session timings. Would definitely recommend others for ACTE.
Pradeepa5 days ago Good institute of ACTE...there are many people I have seen getting job after immediate course completion...they offer many courses,But i did cognos course..visit once before joining any other institute..This is the institude were i have studied ACTE in Velachery....all the best
kokila1 day ago The ACTE teaching @ Tambaram is not only focused on theoretical knowledge but also about practical applications with real time examples,which is the best part!! Each and every concept is demonstrated in class practically and they also provide us few very important interview questions.so i have completed the cognos course easily .
Raveena3 days ago Awesome Place to Gain Knowledge in ACTE. This is BEST Institution For who are all want to study IT Courses like cognos, And also Best Trainer Pradeep sir. He taking the Class From Basic So, You Can Easily Understandable the topics.so i refer ACTE Tambaram.
swetha3 days ago Very friendly trainer, Prasad sir provides informative session and explains cognos concepts in a very simple manner each and every time. Most importantly very flexible with the session timings. Would definitely recommend others to ACTE.
Sakthivel5 days ago I am really happy and satisfied learning cognos institude of ACTE under the guidance of prasad Sir. He is very friendly person with high technical knowledge and skills, explaining topics with real time scenarios which helps me to understand the concepts easily. Thank you prasad sir for your continuous support and motivation. I would strongly recommend ACTE to all those who wants to build their career in cognos.
Vani5 days ago Myself Vani, I joined cognos Course,cognos Course taught by prasad Sir,ACTE is the best platform to learn and get the knowledge about cognos technologies and who are searching for a job it assures to starts a good carrier from this institution is in tambaram.
daiz1 day agoI'm 100% satisfied with the theoretical and practical classes. The trainers explained each and every bit of details; like how cognos process a job/transformations. I'll recommend ACTE institute @ Omr, if someone like to learn cognos. I have attended both online and offline class.
Swathi3 days ago I joined in ACTE omr for cognos course here without any basic knowledge on cognos concepts.now i can say this is the Best cognos training institute in chennai. Here the trainers provide you complete knowledge on each course with Real- time scenarios, project, case studies, Interview questions and all possible ways to make you a successful Professional.
manikandan4 days ago Thank you very much for your great support in ACTE trainers in omr. The way of teaching is very good, he explains all the topics by giving real time examples and give real time logic to work in the tool. Most importantly very flexible with the session timings.
kumaran4 days agoHad a great experience with ACTE institude. I am very thankful to Prasad sir for the way of teaching cognos concepts, clearing doubts and providing strong foundation for the basics. Great place to learn new things from the scratch with recordings available for later use.
Kalaivani5 days agoIt's a very good institute.cognos classes of prasad sir is excellent. You will definitely get a job after completing the course ACTE.
Ruchitha1 day ago Good place to learn in ACTE. Easily accessible. Faculties are well experienced in all subject, are professionals and friendly. Compared to other coaching centres fees is also low.i have completed the cognos course in Anna nagar.
Priya2 days ago It's one of the best institution is ACTE for freshers to learn cognos course and one who wanted to improve their technical skills...very good teaching faculty and friendly environment.
Maha2 days agoTo be frank, the teaching from trainers was too good as he made complex things very easy to understand in a simpler manner and also the Assignments which was given and also made to be executed in the class, is more than enough to learn cognos in month. I would be glad to refer anyone for ACTE Anna nagar.
Sherly4 days ago The concepts are explained with a lot of clarity, Plenty of notes are provided for each and every topic in a manner that is easy to understand. The trainers are very knowledgeable and approachable. I am currently going through the cognos course and I highly recommend in this ACTE institute.
hari5 days agoBest institute for cognos course. I am an employee in TCS and interested in learning cognos , joined this institute, attend the practicals, Interview questions, Case studies and got placed in CGI with 60%hike .Thanks to the mentor prasad and ACTE.
dharsh1 day agoIt is a very good training center they thought cognos completly from basics and take care and attantion on each and every student and teach them upto their understanding level. I feel very happy to be trained in ACTE institude @ porur.
rajan1 days agoThe concepts are explained with a lot of clarity, Plenty of notes are provided for each and every topic in a manner that is easy to understand. The trainers are very knowledgeable and approachable. I am currently going through the cognos course and I highly recommend in this ACTE institute Porur chennai.
jeevitha3 days ago ACTE is best institute for learning cognos. prasad sir is teaching superbly. He is very helpful and clears each and every doubts. This institute also provides good placement in top MNC’s
Sheeba3 days ago my cognos classes at ACTE Instructor are very good. Excellent Tranning pattern and the real time scenarios explained here are directly in line with the questions asked in interview. They are providing 100% placement on cognos. Overall I had good experience.
Sam5 days agoI have got very good subject knowledge from here and get self motivated to achieve my goals. Trainers are giving their 100% support for us to attain right direction,The way of explanation of Staffs is very unique and ACTE makes every topic easy for us
Frequently Asked Questions
- ACTE basically offers the Classroom training and online instructor-led training. Apart from that, we also provide corporate training for enterprises. We believe in practical learning. Our training mode ismajorly practical and has proven to benefit our candidates. We help our candidates by assisting them to work on real time projects that would aid them improve their skill sets and would enhance their ability not just from anexam perspective but also from a working point of view.
- Career progression opportunities for individuals who become Cognos developers are excellent. Keep in mind that the role of a developer covers more than just coding — development is anintegral part of each stage of the engineering process so there are excellent opportunities to learn on the job.
- The scope for Cognos engineers is extremely wide as they perform assignments from planning UIs to testing dynamic applications. Because of the wide scope of Cognos,engineers who work in Cognos need to team up with different experts, for example, website specialists and programming engineers.
- ACTE has designed a comprehensive Full Stack Cognos Developer track. Through this program, learners who complete it will gain access to guaranteed full-time job offers with hiring partnercompanies through collaboration with Hirist.com.
- The course curriculum and subsequent assessment have been designed by industry experts for a set of target audiences. The core purpose of this training is to enable candidates to learn the concepts of FullStack Cognos Development and gain the skill set to advance an existing career or kick start a new endeavor.
- Yes, you get two kinds of discounts. They are group discount and referral discount. Group discount is offered when you join as a group, and referral discount is offered when you are referred from someonewho has already enrolled in our training.
- we assure you a full-time job with a minimum ?5 LPA CTC. To ensure that you achieve this goal, we will provide you with:
- Soft Skills and Interview Preparation Sessions.
- Mock Interviews.
- Profile Enhancement.
- Interview Preparation.
- Onboarding on the HIRIST portal with spot light.
- Pro-membership on Hirist.com for 6 months.
- Access to Job Fairs.
- Mentoring session with an industry expert.
- Yes We Provide Lifetime Access for Student’s Portal Study Materials, Videos & Top MNC Interview Question.
- Add value to your profile with our Industry-Endorsed Certification.
- The course completion certificate from SLA has been a channel for our students who are placed in top companies such as.
- All of our highly qualified trainers are industry experts with at least 10-12 years of relevant teaching experience. Each of them has gone through a rigorous selection process that includes profile screening,technical evaluation, and a training demo before they are certified to train for us. We also ensure that only those trainers with a high alumni rating remain on our faculty for data science online training.
- You will receive ACTE globally recognized course completion certification Along with National Institute of Education (NIE), Singapore.
- You will never lose any lecture. You can choose either of the two options:
- View the class presentation and recordings that are available for online viewing through the LMS.
- You can attend the missed session, in any other live batch. Please note, access to the course material will be available for lifetime once you have enrolled into the course.
- ONLINE TRAINING
- Instructor-led online training with continuous remote assistance with the real-time project practices.
- One-on-one live practice to the required students with the assurance of successful course completion.
- Our Learning Management System includes MCQs, live lectures, and Placement preparations.
- Obtain the enterprise-ready skills even as fast-track mode at SLA on the top trending IT Courses in Adyar, Chennai.
- CLASSROOM TRAINING
- Interactive learning experiences to ensure individual attention with complete hands-on exposure.
- Smart Classroom equipped with updated software to offer job-ready skills to perform well in the industries.
- Extensive learning support Packed with 25+ case studies and 5+ real-time projects guidance.
- Get ahead with industry-approved certification training in our Best Data Science Training Institute in Adyar, Chennai
- CORPORATE TRAINING
- Customized end-to-end technology training without affecting your actual works.
- Flexible class timing and personalized curriculum to meet exact corporate expectations.
- Improve your team’s talent to enhance the organization’s business value and revenue.
- Not just a regular classroom but a perfect blend of theory and practicals for all Courses.
- ACTE is offering the 24/7 query resolution and you can raise your doubts with the dedicated support team anytime. You can also avail the email support for all your queries. One-to-one sessions with thetrainers is also available for doubt clarification. Another benefit of ACTE is you can ask for support even after completion of the training. We also do not put a limit for students to raise doubt when it comes to queryresolution and doubt clearance.
- In fact, you can directly start learning Cognos without any prior knowledge of programming language.
- But, the syntax in Cognos is similar to the syntax of the C programming language, therefore, Knowing C language helps to get hold of Cognos quickly.
- Having introduced to object-oriented principles before starting Cognos, also helps in the understanding of the language so, having an idea on object-oriented languages such as C++ also helps.
- In short, if you know C or C++ it will be a little bit easier to cope with Cognos technology.
- The trainer will give Server Access to the course seekers, and we make sure you acquire practical hands-on training by providing you with every utility that is needed for your understanding of thecourse.
- Weekend Training Batch (Saturday, Sunday & Holidays)
- Seats Available : 8 (maximum)
- Regular Batch (Morning, Afternoon & Evening)
- Seats Available : 8 (maximum)
- Fast Track Batch
- Seats Available : 5 (maximum)
- Online Training (Flexible timing)
- Seats Available : One to One (or) 3 (maximum)
- Cognos is popular
- Pay matters
- Cognos programmers are employable
- Cognos is everywhere
- Cognos is used in real world applications
- You can contact our support number at 93833 99991 / Directly can do by ACTE.in's E-commerce payment system Login or directly walk-in to one of the ACTE branches in India.
Trainers ProfileCognos Trainers are
- Our Cognos Training in Adyar, Chennai. Trainers are certified professionals with 7+ years of experience in their respective domain as well as they are currently working with Top MNCs.
- As all Trainers are Cognos domain working professionals so they are having many live projects, trainers will use these projects during training sessions.
- All our Trainers are working with companies such as Cognizant, Dell, Infosys, IBM, L&T InfoTech, TCS, HCL Technologies, etc.
- Trainers are also help candidates to get placed in their respective company by Employee Referral / Internal Hiring process.
- Our trainers are industry-experts and subject specialists who have mastered on running applications providing Best Cognos training to the students.
- We have received various prestigious awards for Cognos Training in Adyar, Chennai from recognized IT organizations.
- We are a unique Authorized Oracle Partner, Authorized Microsoft Partner, Authorized Pearson Vue Exam Center, Authorized PSI Exam Center, Authorized Partner Of AWS & National Institute of Education (NIE) Singapore.
- Cognos Training in Adyar, Chennai is designed according to the current IT industry
- We offer the best Cognos Training in Adyar, Chennai, covering all course modules during Cognos Classes. In addition, students take Cognos Courses in Adyar, Chennai through job assistance
- The Cognos Training in Adyar, Chennai is scheduled on weekdays, weekends and online Training . In addition, students can choose a customized schedule according to requirements
- ACTE has got a collaboration 500+ MNCs and MLCs from the industry, that helps the trainees during their placement.
- Our team of instructors are industry experts with more than ten years of training experience.
- Mentors train Cognos Training in Adyar, Chennai not only to assist students in implementing live projects, but also to hold a preparatory session for the interview along with community outreach.
- The ultra-modern I.T laboratory is equipped with the latest infrastructure. Our laboratory is open 365 days a year. Students, at their discretion, may use the lab to complete projects and practice technical tasks
- Our classrooms are equipped with a state-of-the-art I.T infrastructure, such as projectors, racks, Wi-Fi
- We offer our students a room with a glass door and a discussion area (conference room) to enhance their learning and learning skills
- We also organize valuable seminars on personal development and presentation skills
- Our educational material includes ACTE’s student portal access to get the updated course materials, books and copies of didactic material in the form of PDF files, sample documents, Training videos, technical interviews and projects.
- Students attending the Cognos Training in Adyar, Chennai may also be located near hostels for their convenience
- We help students, at no cost, study, teaching materials, copies of PDF files, video training, sample questions for appropriate certification and interview questions, and lab guides that are available on our site for quick access and also life time access of student portal for course materials in all format
- Practical oriented domain specifically training is provided, to suit the needs of the industry Being a corporate training institute, at ACTE, training is provided at its corporate facility having state-of-the-art infrastructure
- Trainees at ACTE are provided with unlimited interview calls, untill the time they are placed.
- Add on training modules cover soft skills, communication skills, interview based training etc., to ensure the overall development of the trainees.
- Our trainers pay you individual attention.To improve students' knowledge of complex technical concepts are passed on through simple trainingWe also Provide Internship for fresher’s with certification. Our certificates are recognized worldwide after the course ends
- We accept Master and Visa cards (debit and credit) as well as cash, checks and internet access in payment mode
No 1A, Sai Adhithya Building,
Taramani Link Road, Velachery.
Chennai, Tamil Nadu 600042
Landmark: Velachery Main Bus Stand & Next to Athipathi Hospital
93833 99991 / 93800 99996
No : 31, Alagesan Street,
Chennai, Tamil Nadu 600045
Landmark: (Backside Tambaram Main Bus Stand & Near Railway Station)
98407 55991 / 95141 99997 / 93613 80760
No 5/337, 2nd Floor, Vinayaga Avenue, Oggiyamduraipakkam,
OMR, Near Cognizant & Oggiyamduraipakkam Bus Stop,
Chennai, Tamil Nadu 600097
95661 05791 / 95661 05795
No 100/5, 1st Floor,
Mount poonamalle Trunk Road, Lakshmi Nagar, Porur,
Chennai - 600 116
Landmark: (Next to Saravana Store & Opposite to Porur Water Tank)
91509 10602 / 91509 10603 / 93800 99996
53-K, 1st Floor,
W-Block, 4th Street,
Chennai - 600 040
Landmark: (Opp to: Kandasamy College / Roundana)
90928 55551 / 90927 99991 / 93613 49873
No.136, Habibullah Road,
T.Nagar, Chennai - 600 017
90928 55551 / 93800 99996 / 90927 99991
No.59, Second Street,
Adyar,Chennai - 600 020
91509 10602 / 93833 99991 / 93800 99996
81, Lattice Bridge Road,(Kalki Krishnamoorthy Salai)
Thiruvanmiyur, Chennai,Tamil Nadu 600041
Landmark - Opposite to Jeyanthi Theatre
93833 99991 / 93800 99996
No.37, 1st Floor,
No. 51, Thiruvalluvar Salai,
Maraimalai Nagar, Chennai - 603209
98407 55991 / 95141 99997 / 93613 80760
No. 851, Sathya Dev Avenue Extn Street,
OMR Road, Egatoor, Navallur, Siruseri
Chennai, Tamil Nadu 600130
93833 99991 / 93800 99996
Branch LocationsACTE Branches in Chennai are listed below and most popular locations where students / professionals are in just few Kilometers away from below mentioned locations lining up to get Cognos Training with us.
- Cognos Training in Besant Nagar
- Cognos Training in Tambaram
- Cognos Training in Siruseri
- Cognos Training in Nandanam
- Cognos Training in Velachery
- Cognos Training in T.Nagar
- Cognos Training in Anna Nagar
- Cognos Training in Porur
- Cognos Training in Alwarpet
- Cognos Training in Thiruvanmiyur
- Cognos Training in Triplicane
- Cognos Training in OMR
- Cognos Training in Tharamani
- Cognos Training in Adyar
- Cognos Training in Royapettah
- Cognos Training in Maraimalai Nagar
- Cognos Training in Raja Annamalai Puram
- Cognos Training in Palavakkam