I am still using BSNL 3G till 2012 and as per my openion BSNL 3G mobile service is the best service.they are best among all operators.its very much popular in Assam.almost all use this operator’s service before jio and till now lots of users use this operator.their tariffs are very attractive.and no words for network.their network always available in all area.in rural area its the best.this company is the only company who never gives false promises to customers thats why all like it