Hello guys as we all know that the BSNL is a goverment company and this is the most reliable network in the india and the call cost and the data coast are very low and that was bsnal who started the first mobile network in india and now in these days the BSNl provide the spectrum to all the other networks and now a few months ago bsnl started to provide the free areas and if you want connection for the office use so there is some diffeerent data plans so, I really like the bsnl and bsnl is really a great service provider