The commission directed BSNL to issue a revised bill and adjust the security deposit amount. Got bill during flight timeThe complainant was a BSNL subscriber who regularly paid his mobile bills on time. He also contended that BSNL had collected a Rs 5,000 international roaming security deposit, which was not adjusted in the bill. Story continues below this adDespite his representations requesting a corrected bill, BSNL disconnected his mobile services for non-payment of the disputed amount. Therefore, he could not have used mobile data or his mobile phone at 4.35 am IST, making the disputed billing impossible.