Cognos BI upgradation from 8 to 11 version

I am interested in this opportunity. I worked with big US and French Clients and worked on Migration from Cognos 8 to 10 and Cognos 10 to 11. Currently I am working as a freelancer and an individual contributor. So I worked with one of US Client MarineMax and did the migration from Cognos 10 to 11 individually. I am an certified Cognos Administrator. I can start work immediately. It required 4-5 months depends . 1. How many reports, packages needs to be migrated. 2. I would like to know the package are relational and dimensional. 3. Is there any using Cubes and TM1 as well. 4. Any Javascript code is used in the reports. 5. Which database are used. 6. Cognos is on windows or unix platform sk_ype : anuj17121981 What_app : +91-9591521000