* Do we require to have attorney certified copies of I-140 and I-824 for the interview
Answer: Check this site for all document requirements.
http://boards.immigration.com/showthread.php?threadid=94430
There is no need to carry copy of AC I-140 package + I-824 since the consulate will have it but if you have a copy carry it just for reference sake!
* What originals we need to give in consulate
Answer: The only originals that you will hand over to the consulate are your passports, visa approvals if any (new I-94 document), notarized employment letter and notarized I-134. REst whatever is asked for can be cubmitted in copies that need not be notarized. The person collecting documents will see the photocopy and the original and take photocopies.
* Can we get copies notarized in India also
Answer: EMployment letter and I-134 has to be notarized in usa. There are no other documents to be notarized. There is no need to notarize photocopies of other documents.
* whether Employment letter must be addressed to the embassy
Answer: USA Consulate, Delhi OR TO whomsoever it may concern. Preferably consulate!
* In medical do they go for TB test by injecting vaccine & X-ray
Answer: First is skin test/ maanto test (where they inject a dye) is what it is called where 99% desis comes out positive due to BCG vaccine given at birth. Then comes the x-ray which proves everything is fine!