Is it mandetory to file an fir with cheque bounce notice?

If you want you can file complaint before the police u/s 420 0f Cr.P.C.  but it is not necessary to file FIR along with 138 of NI Act

In cheque bouncing cases FIR is not required however if you want to proceed cheating case you may lodge FIR.

Dear Oldwine,

There are judgments which specifically say that dishonour of cheque does not attract provision of sec 420 IPC, as Negotiable Instruments Act is a special statute meant for the same.

Apex Court in its judgment delivered held that "Negotiable Instruments Act, 1881, Section 138, Indian Penal Code, 1860, Section 420 -- Dishonour of cheque - Post dated cheque - To constitute offence u/s 420 IPC fraudulent or dishonest inducement on the part of the accused must be at the inception and not at a subsequent stage"

rightly said by adv, yogesh that case under section 138 NI Act cannot be filed with section 420 IPC