Indian Oil — Money Deducted twice for fuel

Address:

INDIAN OIL PETROL PUMP - M/S PARVATI SERVO, WALGAON, AMRAVATI- MAHARASHTRA

Indian oil petrol pump -
m/s parvati servo, walgaon, amravati- maharashtra

i have filled in fuel of rs.1500 on 29 jan at 10:30 am and triied for a card swapo for payment and thepin was enterred as well, but the slip did not generate.
The person told me that the machine might be faulty and try using another machine, which i did, and the amount was deducted and i recieved the sms.
After few minutes, i got another message of money deduction same amount.
Total - 1500 + 1500, = 3000 deducted.
I can see both the money deducted in my bank statement.
I need the extra money 1500 refunded.