Bajaj Finserv — Advanced paid EMI amount not refunded

Address:	Bajaj Finserv India
Website:	Bajaj Finserv

Hello My name i Bhupinder Kumar, I am From Hoshiarpur, Punjab.I am the custmor of Bajaj Finserv. I paid my 3 OF October, November & December
on 28th Sptember, 2021. But on 2nd October, EMI of october month is again debited.When i talked to customar care number, they told me that the Advanced EMI paid between 5th to 25th date of month, That's why the status is not updated. They told me the Advanced paid emi amount will be credit back to my account before 12th october, . But i never get my money back after or before 12th october. I don't know but can i do ?
My Register Mobile Number is [protected].