BSNL is the network operator who provides best services! bsnl covers almost all parts of india! So being out of range is out of option! moreover they provides affordable plans and packages for all parts of india!
Comparing to other services who tries to loot you pocket out of money, bsnl seem to be trust worthy and they provides the most affordable data plans, even though they don’t provide the fastest services they seem to be ok for normal people who doesn’t want to waste there money so much! I am a happy bsnl user for almost 10 years from now! go for it guys!