1) Electronic funds transfer is defined in the payment and settlment act as any transfer of funds which is initiated by a person by way of instruction,authorisation or order to a bank to debit or credit an account maintained with that bank through electronic means and includes point of sale transfers,automated teller machine transactions,direct deposits or withdrawal of funds, transfers initiated by telephone, internet and card payment
2) Where an electronic funds transfer initiated by a person from an account maintained by him cannot be executed on the ground that the amount of money standing to the credit of that account is insufficient to honour the transfer instruction or that it exceeds the amount arranged to be paid from that account by an agreement made with a bank,such person shall be deemed to have committed an offence and shalt,without prejudice to any other provisions of this act, be punished with imprisonment for a term which may be extend to two years, or with fine which may extend to twice the amount of the electronic funds transfer, or with both:
3) The provisions of Chapter XVII of the Negotiable instruments Act,1881,shall apply to the dishonour of electronic funds transfer to the extend the circumstances admit.
4) complaint under section 138 Ni would be maintainable .
5) since you have only signed ECS mandate form you woulkd be liable
6) complaint can be filed within jurisdiction of court wherein ecs mandate was given or received
7) complaint cannot be filed in any state
8) if any case is filed you should contest the case