Fraud By Bank - Not Closed my Loan Account after taking cash

I have taken car loan from Banker's for five years - i have regularly repayment of 4 years but in time of demonetization - Bankers forefully offers top up and i have taken and invest i Share Markert, i have booked Huge Loss - and not in position to repayment of loan - they have toeing my car and recovery agents of bank has collected Rs. 1.25 cash from Close my one Loan Account, but he was neither deposited to bank nor given me return back, i have bring notice to senior management of Bank for fraud, they have conducted inquiry by their local investigation officer, but officer favoring bank Official and Recovery Agents, now they have my deposited my Blank Cheque issued to Him, and same was dis honored from my Bank Account ( Which is Same bank and Since last 1 1/2 year i have not operated. now they have registered case against me for Cheque Bound and send notice to me, can any body help in, i am really appropriated in advance, legal advisors are welcome to bring me from this