BSNL is a very good mobile operator. The main point is it gets network on almost all places. It has very good speed when working on 3G. We can see towers in all places. So its network is very good. Its customer service is very good. BSNL customer care number is 1503 or 1800-345-1500. After calling customer care we can speak in all Indian languages. BSNL gives very good offers and its charges and billings are good. At present with good BSNL plans we can use unlimited calls and unlimited internet usage.