British Council
Fees same as paper based : Rs.12,650/- (Till 31st March 2019)

At present British Council is offering CB Test at New Delhi Centre only.
IDP Australia
At present IDP is offering Exam at 12 cities namely:

Delhi
Chennai
Hyderabad
Bhatinda
Mumbai
Bengaluru
Jalandhar
Ludhiana
Chandigarh
Ahmedabad
Pune
Amritsar
Video Link: https://youtu.be/o_X5_2LdXKc
Sources:
https://www.ieltsidpindia.com/Registration/computer-delivered-ielts
https://takeielts.britishcouncil.org/locations/India