For diploma in computer science the INR 13,500 to INR 57,333 per year.
It's totally depend on which college you get admission
In my experience for 1st year all admission fees maintenance money caution money etc add so it's around 2000 to 20000 above
This is some list of colleges with different fees (3years)
JMI New Delhi - Jamia Millia Islamia
fees around 27000
Nitte Meenakshi Institute of Technology, Bangalore
fees 31500
Government Polytechnic, Nashik
just semister fees
SLIET Longowal - Sant Longowal Institute of Engineering and Technology
fees 60000
JIS School of Polytechnic, Kalyani
fees 72000
Government Polytechnic, Pune
fees semister fee
Government Polytechnic, Nagpur
fees just semister fee
Ambedkar Institute of Technology, Delhi
fees 18000
St Mary's Technical Campus, Kolkata
fees 90000
For more information you can visit here
https://www.careers360.com/courses/computer-science-engineering-course
https://engineering.careers360.com/colleges/list-of-diploma-in-computer-science-engineering-colleges-in-uttarakhand
https://engineering.careers360.com/colleges/list-of-diploma-in-computer-science-engineering-colleges-in-kolkata
https://engineering.careers360.com/colleges/list-of-diploma-in-computer-science-engineering-colleges-in-india
Thank you, I hope this answer helps you.