In case an I.Tax payer Indian, with his only interest income by loans to few parties in India in INR, goes overseas in following sequence -
1. for studies & does part time job,
2. becomes NRI,
3. after completion of studies got marriage with a foreign citizen, & does full time job,
4. got foreign citizenship ---
Then, is he allowed to operate his bank A/Cs, investments & I.T. returns in same old fashion as usual thru his PA holder father ?
If NO, then what are the changes, he has to perform thru his father, during above various stages ?