BSNL customers can check their mobile balance by using the following numbers.
To check your bsnl balance key in *123# to get on screen balance.
You can also check out BSNL customer care numbers if in case you want to contact them.
Applies To : Bsnl balance enquiry for – TamilNadu, Karnataka, New Delhi, NCR, Andhra Pradesh, Assam, Bihar and Jharkhand, Chennai, Gujarat, Haryana, Himachal Pradesh, Jammu Kashmir, Kerala, Kolkatta, Madhya Pradesh, Maharashtra, Mumbai, North East, Orissa, Punjab. Rajasthan, UP East, UP West, West Bengal, Chhattisgarh.