Configuration of BSNL GPRS STVs through CTopUp from 22/7/2013 All GPRS STVs will be available through CTopUp from 22/7/2013 onwards. The details are given below. MRP of GPRS STV (in Rs.) Usage Validity in days Keyword for SMS activation(to 53733) 7 100 MB 1 GPRS7 14 200 MB 3 GPRS14 52(MRP changed from 54 to