The following table lists all the ISPs in India which have (had) ISP licences as provided by the Telecom Regulatory Authority of India (TRAI). N.B. Some of the companies listed might not be around any more.
For reports on ISP subscriber figures see this list of ISPs.
Disclaimer: This data has been obtained from the Telecom Regulatory Authority of India (TRAI). It is provided as is and no guarantees are made for its accuracy or reliability.