Bharat Sanchar Nigam [BSNL] — Unsuccessful recharge of bsnl broadband bill

I paid rs.529 for my broadband bill through google pay( Federal Bsnl Payments).
The money was successfully debited but i didn't get any recharge successfull message or receipts.when i gone back to check the site which i was paying, the site was unreachable.so i refreshed then it says me to pay once more.i need immediate action on my problem.