Can I study MS on H4 VISA?

A consultation with a lawyer will not go amiss. Make an appointment to discuss in private. Goodluck.

The addres can be found on the instructions to form I-485 at uscis.gov Goodluck.

How to renew my work authorization if my court date was moved and I do not have any documentation stating this?

Call the court to obtain the hearing notice if that is what you seek. Goodluck.

The company who obtained your H1-B has a lawyer to deal with concerns such as these. Goodluck.

How much can a lawyer charge for a family-sponsored visa?

You would have to contact and negotiate your fees directly with your preferred lawyer within the US Goodluck.

Calculate the number of days taken in the lawt 3 years. Refer to the instructions to N-400 on uscis.gov website. Goodluck.

Is it possible to transfer my H1B application to another company on basis on i797C? What are the possible hurdles/risks involved

Your employer has a company lawyer suitably positioned to address your immigration concerns. Goodluck.

Denied green card marriage?

It is advisable to contact an immigration lawyer to discuss the reason for the denial of the marriage petition. You will be better positioned to...

How old were you when they got married? Goodluck.

Can I start any business in US once after my approval if I-140?

I concur with my colleagues on this issue. Goodluck.