I have a job offer not through a consultancy its a direct job in a small startup company. But, it starts in 1st week of September.

-Can I travel to India after applying for OPT and before receiving OPT / EAD card and return to USA after OPT start date or Is it like I have to return before my OPT start date?
-Also, Is it safe to travel before getting EAD card ? my friend will mail it to me to India after getting EAD card so I will have EAD card at the port of entry when I return to USA?
- What other documents do I need to re-enter USA?

I was on J1 before and still have 212E rule or 2 years residency . Will that effect my OPT?Thank you for all your help!

This was posted on https://www.facebook.com/desiopt1 on May 22nd 2013