Bsnl is abrivation of Barath Sanchar Nigam Limited. Bsnl is good mobile operator.
Big offers are available in bsnl. It is a 3G network but it is equal to 4G network speed. Signal strength is very high in my area. Very high speed internet,
Unlimited calls, unlimited internet 1GB per day. I’m also using BSNL 3G in my Android phone. I’m waiting for bsnl 4G