Bajaj Finserv — Excess charged in my bank account

Address: Howrah, West Bengal, 711106

Dear Sir,
My name- Bijay Bahadur Singh I am a personal loan customer in bajaj finance, my emi -2264, total loan AMOUNT- 50000
but, bajaj excess charged my bank account, 12 times charged -287.50 in charged received mandate fail - 287.50 ×12=3450 and 1 EMI advanced charged in my bank account.
total amount charged- 3450 +2264 = 5714
please refund my amount in my bank account. My Bajaj customer id[protected]