Seek advise on Income Tax for India and US - for a new Green Card Holder

1. No income in US till date.
2. Have some income in India – interest on FDs and Rental income.

Please advise:

1. how and where to Fill the forms in US? What all to declare (about India income) and how?

2. Should I continue paying taxes in India as before? Do i have to mention change of my status to NRI?

3. Should I change my Indian bank accounts to NRI – as FDs are there?

4. Any other advise on this please.

Thanks & Regards