When can we file to move conditions from a conditional green card?

21 months after approval you can file to remove conditions.

Do we need to show US passport while going out of USA or other country passport works as well ?

You do not need a passport at all to leave the USA. Each of you will have to show that you are able to enter India in order to board the plane....

Because you entered the USA with inspection you are eligible to file to adjust status through your spouse. You will need the I-94 and passport to...

No. You will need to wait until your application is approved and you have a social security number.

I 751 waiver interview

A marriage must be in good shape for you to adjust based on the marriage. Your i-751 will be denied based on your facts. You will need to file on...

If the waiver was granted he is good to travel.

When should I start counting my two years in order to get last 364 days towards meeting my continuous residence requirement?

Consult with an experienced immigration attorney or as my colleague suggests read A Guide to Naturalization at USCIS.gov/n-400.

Cross chargeability?

In certain situations, an applicant may benefit from the charging of their visa to their spouse’s or parent’s country of birth rather than their...

When can I apply for citizenship?

when you apply for a green card based on asylum you are considered to be a LPR retroactive one year. You can apply for NATZ after you are an LPR...

You can but I do not suggest you do so unless absolutely necessary. A pending application does not provide you with a legal status.