defour44

It need not be recent, as long as you have a combined 4 year relevant experience.
Sponsors needed: One would be your direct supervisor to verify your current duties & responsibilities, the other would be a CFA charterholder and member.
No need to join now, join after you pass all levels if you wish.
Yes, this is a separate CFA society. There will be separate CFA societies where you’re located. The one I found for India after a 5-second Google search was this: http://www.cfasociety.org/india/Pages/default.aspx
Hope it helps!