Kotak Mahindra Bank — ecs return charges of kotak

Address:

Thane, Maharashtra, 401101

I had bajaj loan for my refrigerator and it was just the last installment that was pending and i repaid in 3 days still bank charged me 590 rs four times that was 2400 rs and the bank manager tells me every time they present the request you will be deducted with this amount this is very upsetting as my loan wasn't even so much as compared to the ecs charge, kotak should make this terms clear before and also many more charges which are hidden. Its really lots of money i already paid late charges to bajaj and now kotak. I expect to get a refund.