Fraud through cloned cheques in Inward clearing at Service Branch

I am working with PSU bank as an officer.In our bank cloned cheques are being presented since jan 2018.One day two cloned cheques from same account presented for clearing were passed by two different officers.One of them was me.Now the bank has served both of us statement of imputation on a of negligence that signatures mismatch with bank record though signatures are most identical.Bank wants to recover it's loss from we officers.And the actual culprit who is the beneficiary is enjoying with banks money and still presenting the cloned cheques.Instead of recovering money from fraudster bank is recovering from we innocent workers who are doing their routine job to earn money for their bread and butter Kindly advise me.Can we be saved from punishment.