There were 2 queries
1. Her birth certificate did not have her mother's name.
We resolved it by sending them
a. 4 affidavits from India - mom,dad, 2 relatives
b. Bank statements and investment certificates which had both her and her parents names
c. Ration Card - transalted by a friend here who also had to certify that she knew both my native language - marathi and english
d. Her parent's marriage certificate and transaltion
2. Proof of marriage
We resolved it by sending
a. Our marriage certificate
b. Health Insurance cards
c. Bank statements
d. Our daughter's birth certificate which had both our names
e. Apartment lease copy