When Can I Get an answer from immigration about my status?

You did not specify the type of application you have pending. Your attorney should be able to place a service request on your behalf or you can...

Is it considered violation of status if I stay more than 60 days and then change my mind to leave US while holding a valid i-20.

I am not sure I am understanding your facts correctly. But if the H-1B timely filed on your behalf was denied on September 22, the 60 days grace...

Supporting documents for green card

You will have an opportunity to submit additional documents on the day of your interview.

You probably will not need a new visa stamp but you should consult your company's immigration attorney for through review and proper advice.

Waiting for I-485 interview

It is normal, field offices schedule interviews according to the workload. Check this link to see what is the processing time of the field office...

What is the time period to travel for Tourist Visa?

They should be able to travel to the U.S. within the validity of their tourist visas.

Can I get a work visa if I overstayed my student visa?

As my colleague mnetioned, you are not eligible to change status in the U.S. because you overstayed your F-1 status. However, you will not trigger...

Unless you are no longer an Indian citizen, no change needs to be made about your H-1B status. Similarly, you should be able to re-enter the U.S....

How can my friend Stay in the USA?

Your friend has accrued unlawful presence and cannot change status. He should consult an immigration for proper advice.

Should I appeal for denial of H1-B petition after submitting RFE?

Your employer can appeal however, if you are in US you have to maintain status as the appeal takes a long time. Also, the employer's attorney...