Bajaj Finserv — bajaj finserv emi card failed transaction

Hi, I was doing a transaction using my Bajaj EMI card the transaction got failed but the amount was deducted from my card 4 times and it has not return back in my card, it has been more than a month.i tried contacting customer care but there is no response from there side. kindly look into this as I have 4failed transaction for which amount got deducted from my card and I have not received the amount for that transaction yet