Brihanmumbai Electricity Supply & Transport Undertaking [Best] — paid same bill twice

Address:

Mumbai City, Maharashtra, 400012

We paid our electricity bill for May twice by mistake. We paid Rs. 6720 twice on the same bill.

Our Consumer no: is[protected]*9
The Transaction id for the repeated payments: [protected] and [protected]

Please ensure refund of money or let us know what steps are to be taken for refund of money. I tried calling the BEST consumer helpline but it's always busy.