Postal Life Insurance [Pli] — premium paid for pli double for the same period

Address:

GPO(general post office nagpur), Nagpur, Maharashtra

Hello! I have pli with customer id no 63535983. I paid my premium through online mode on 28.2.2019 for 3 month from 01/12/2018 to 28/02/2019 of amount 7047/- with reciept no[protected] and transaction number or[protected]. But it showed error first so i tried with another atm and again paid premium online for same period. This time also money where deducted and had acknowlegment with reciept no[protected] and different transaction no. Or[protected]. Please sir refund my money deducted as soon as possible in my bank account.
I have message of both transaction for same period and money is deducted from account.