The BSNL (Bharat Sanchar Nigam Limited) is government owned internet and cellular service provider. It is believed that BSNL has 60% market share and considered as the largest provider of fixed telephony and broadband services across the pan India.
BSNL ISP use the following dns server IP address for FTTH users:
Please note that if you receive your IP addresses dynamically, you should use the dynamically assigned DNS servers. They are assigned based on which servers will provide you with the best response time. However, above dns caching name server should work without any problem:
Recommended DNS server for BSNL broadband and FTTH users
I suggest that you use the following Google DNS server for fast and speedy DNS response: