BSNL duces the new Mobile App! It is the most trusted and secure app for your mobile recharges, bill payments. Download My BSNL App now and experience first hand the ease of recharging your BSNL prepaid mobile and paying your postpaid bill from your Android phone. We give you. Postpaid Bill Inquiry. PostPaid Bill Payment GSM, CDMA, Landline and WiMax.