Bsnl 3g is cheap in the comparision of other network and service quality is average. yet people use it for his work because it is cheap in the comparision of other network. it gives average speed so work is completed without any obstales. bsnl operator is roaming free
all over india so people attract more and more towards the bsnl network operator.it is beneficial because it reduce extra charges. and cost is also average of bsnl operator.