HDFC Bank — Penalty Deduction

Address:

Coimbatore, Tamil Nadu

I am paying LIC EMI through ECS option of HDFC.Before 2 months, ECS transaction of Rs.817/- was failed due to insufficient funds.for this failure, HDFC is charging a penalty of around Rs.500/- every month.. I have a raised this concern with HDFC online Consumer center, but there is reply from them yet.