Question: how to check data balance in bsnl prepaid chennai?
Answer: Check Balance & Validity – *123*1#, Check Minutes Balance – *123*2#, Check SMS Balance – *123*1# or *123*5# or *125#, Check GPRS Data Balance – *123*10#, Check Network Call – *123*5#, Check Video Call Balance – *123*9#, Check GPRS Pack Balance – *123*8#, Check SMS Balance Enquiry – *125#