Recently I bought a TATA DOCOMO SIM Card to try out its GPRS. The tariff which TATA DOCOMO is offering is quite good. All outgoing local calls can be made at 1p/sec and outgoing STD calls can be made at 1p/sec for first 450 minutes every month, thereafter tariff of 2p/sec is applicable. Local, National and International SMS are charged at Rs. 0.60, RS. 1.20 and Rs. 5 respectively. After first SMS of the day I get 200 local + national SMSes free.
Check out the pics of TATA DOCOMO SIM card. I must say packaging is quite impressive.