HDFC Bank — emi deducted twice

Address:

Rangareddy, Andhra Pradesh, 500068

I have emi loan account with hdfc [protected] due to insufficient balance my emi was not deducted and later hdfc customer care service called me up and gave me an option to pay the amount through any net banking so i paid it through my other account which is not my regular account.they have confirmed that they have received my payment but later on the same day they have deducted my amount again from my regular account. Please resolve this issue and recredit my amout at the earliest.