Polytechnic

Motilal Nehru National Inst. of Technology
Allahabad
Bengal engineering and Science University, Shibpur
Howrah
Netaji Subhas Institute of Technology
New Delhi
Harcourt Butler Technological Institute
Kanpur
College of Engineering
Pune
College of engineering, Andhra University, Waltair
Vishakhapatnam
Jabalpur Engineering College
Jabalpur
Mumbai University Inst. of Chemical Tech
Mumbai

Check out the link :
https://engineering.shiksha.com/diploma-in-computer-science-engineering-in-chandigarh-categorypage-2-55-598-0-0-63-134-2-0-none-1-0#cateSearchBlock

Hi Himanshu,
Every institute has it's own course specific fee structure. In order to know the exact fee it would be always advisable to browse through the official website of the institute where you wish to apply.

No but there are some rules and regulation which u have to follow click following link for rules
http://goo.gl/ojNlLz

Check out the link :
https://engineering.shiksha.com/diploma-in-mechanical-engineering-in-west-bengal-categorypage-2-55-604-0-0-1-127-2-0-none-1-0

Yes many universities take admission directly in 2nd year for diploma holders.

you need plus two as the minimum qualification for doing CA