NRI Income Tax Notices In India Under section 142(1), 133(6), 143(2), 144

It is generally advised to take professional assistance while dealing with an income tax notice.

Irrespective of the section, NRIs must not ignore any notice whatsoever. Every notice must be considered and responded to within a time. 

The time limit to issue a notice under section 148 is generally 3 years and 3 months or 5 years and 3 months. 

No, NRIs cannot continue to hold their resident savings bank account after becoming NRIs.

Yes, filing ITR as a resident, even though you are an NRI, will trigger a notice under section 139(9).