Can I petition for i-130 for my father if he overstayed his tourist visa ?

The overstay is an issue but since he has left the US for 10 years, he could be eligible. If he only has 10 year bar he would seem to have served...

I485 sponsor?

A co-sponsor will help but you still have to meet the terms of the public charge rule.

What do i do in the day of interview?

It would be better if your husband attended. But since he is a service member, make sure to provide documentation and reasons why he cannot...

Have you been granted Asylum? If you have only applied and are waiting, it would make sense to have your parents apply for your green card. If...

Multiple petitions files under F3 category for the same Beneficiaries?

You only need one parent to sponsor the child. Theoretically you could pay for two but there is really no need in most situations.

Can someone help me to process a waiver?

You will need to discuss this with an atttorney. These types of cases take a long time to process and are complicated.

Can i get approval?

You may need a waiver unless your spouse is a US citizen.

No, you will need to be at least a permanent resident.

Aa I have tourist visa can I travel to usa and convert my file after approval as I am just waiting for Interview now ?

You need to provide more details in order get an accurate response.

Adjustment of Status to lawful permanent residence?

Since he is processing abroad, you do not need to indicate the office in the United States.