City Service

I filled a petrol of rs 300 gave my debit card bt transaction happened twice n the man is deneying..he showed me it happened once bt bank statement is showing two times

today i had gone for petrol refill at this pump . i asked attendant for Rs500/- petrol.he made pretense of filling i gave him my credit card and he brought receipt for Rs500/- i was suspicious, i checked my car fuel indiactor it showed previous reading only . i reported this to head attendant. he argued that electronic indicators in modern cars were unreliable and sometime give error.i challenged him and told him to fill Rs500/- worth petrol when this was done i checked reading and it showed addition of approx 6ltrs will anybody take note of this time recorded on my receipt is 9.02 am &9.09 am sequence no259722 an259732