Degree

Yes, you can pursue M.Arch after your Bachelors of interior architecture. There are many courses available in many public and private universities in The United States which offers Masters of architecture (3 years graduate degree programme) for candidates who do not have undergraduate architecture background. You can also contact their respective departments for detailed information about the course structure.

B.Ed should follow a degree. It is altogether a different degree programme.

Your question is vague, please specify your academic profile.

Hi,
Currently, it's debatable and not recognised any longer. As per UGC, duration of M.Sc in India is 2 years therefore a 1-year M.Sc degree is not present in India.

Hi Juveria,
Yes, it will be recognised, you can complete the first year of a relevant MS degree, full time and pass with good grades. Before that you should always check with the university you are applying to in USA since every university has different criteria. Some universities also accept three year degree.

Hi Maninder,
Yes, you can apply. But you have to check the eligibility criteria of different universities before applying. Applying to a top university will be difficult.

Yes. You should check the accreditation of the university. If you cannot find it, email them your query and ask what kind of certification do they have. A degree from the famous one, the known ones would generally be accepted in India. You can get checked the authenticity of the university from AIU.

Yes, you can enrol directly.