Kotak Mahindra Bank — deduction with ecs return

Address:

Chennai, Tamil Nadu, 60028

Recently i have been allocated a relationship manager named venila. Due to financial crunch i'm unable to pay the sip amount and have informed the relationship manager. Even after informing everymonth i'm getting deduction from my bank account around 590 rs for every ecs return which is a serious concern for me.

Deduction till date : 2149
Refund received : 650

Please assist inorder to get by deduction refund back.