Bsnll itts a very good mobile operator and provided by indian public enterprise and I think its a totaly done by our indian government
And we have now both postpaid as well as prepaid and with a many value added services
Its pan india presence all over 21 teleconmunication in india
Many indian networks came into the india markets and but no ever failed in netwrks it became a first
Its mobile data is also very nice it became 3g now a days and call rates are very less compare to all and now it beacme a roam free in india its a very good thing done by bsnl
And before it was cellone and in 2007 named as a bsnl