Legal Remedy in case criminal allegations imposed under IPC sections

Dear Sir, I was employed with a financial institution where one of our customer is into business of digital marketing and I was the relationship manager of the account. A Govt investigation agency was investigating this customer and during their investigation they have found that I am also the accused of same IPC’s which is related to the customer. I was accused of IPC 420,467,468,471,409,120B,34. Banning Act ¾,5/6. Customer is maintaining us heavy balance with us and for day to day transactions he used to keep in touch with me as I was the one point touch for the customer. The agency has put the customer phone on surveillance and our conversation is recorded and they make this recording as a main evidence against me. They have accused me that I helped the customer to get out all funds from the account.