I have been working in USA for 1 year as .net developer on H4 EAD .Now I am planning to move to India and settle down there.Is it possible for me to apply jobs and giving interviews while I am in USA.
You can apply using standard job sites like Naurki and normal websites. Some of them have options even for people returning. Just give it a try. Yes, you can do that, recruiters are willing to interview you, when you are in US.