Question

What supranational organization is India a part of? I had ASEAN at first, but then I realized they aren't a part of it

Answer 1

Is BIMSTEC One?

Answer 2

Is India a member of the United Nations?

Beyond that, you'll have to do some reading:

http://www.bing.com/search?q=india's+membership+in+supranational+organizations&form=EDGNTC&qs=PF&cvid=ff96e1fb0d96446eb9702872e529c8b7&pq=india's%20membership%20in%20supranational%20organizations

Answer 3

Yes. BIMSTEC is a supranational organization, and India is a member.

http://en.wikipedia.org/wiki/List_of_intergovernmental_organizations