Click On Appropriate Link To Make Payment. (Now you are having more options to finish your payments faster). No Transaction Charges. Online Electricity Bill Payment --Select Service Number: OR. Unique Service Number: Please enter your email id, and click on 'Make Payment '. Email Id. BESCOM: Bangalore Electricity Supply Company Limited. ಕನ್ನಡ Pay Bill. Sample: Account ID - Sample: Customer ID - How can I get.