Bajaj Finance — ecs and payment

Address:

Panipat, Haryana, 132103

I have been give 2 times ecs and cheque to bajaj finance but they always said to me for cash payment and i paid always but after paying cash bajaj claims to bank for payment but bank refused and take charges from my account. Give me solution for this, i complained about it 3-4 times but bajaj says its bank mistake and bank says its bajaj mistake, but i m geeting problem and deduction money from my account