BSNL has tied up with Nokia, Sony and Samsung for handset bundling, the cheapest of which is priced at Rs.7000. Voice tariff schemes begin from a fixed monthly charge of Rs.350 for prepaid, and Rs 500 for postpaid. Data subscriptions are available starting Rs 250. The company has tied up with Micromax and Huawei for offering laptop data cards at prices ranging form Rs 3800 to 6000. "Trials are on to launch mobile banking on our 2G and 3G platforms," Mr Goyal said.