I am on H1B visa working for Company A and My H1B visa stamp is valid till Aug 2018. Now I want to return to India and work for

You need to speak with the attorney retained by company B to understand the transfer process.

Are you allowed to consult as an immigration consultant?

please refer https://oag.ca.gov/consumers/general/immigration_consultants

if you know that the person is without a license then stay away. here is information on immigration consultants...

the plan, as described, will not work. consult your h1b or another attorney for other options.

How apply correctly for a k3 visa for my wife that i married her in her home country.

retaining an experienced immigration attorney is generally the better option.

Is there any law for citizen kids can make or let there parents stay in usa

It may be possible. Please consult an attorney for better evaluation of your situation and options.

Where could I obtain my travel history (traveling with Green Card)? Thanks!

The website could take a few days to reflect the current information.

My k1 visa interview is on jan 9 2017. I think my fiance's w2 will not be out before my interview date.

Those documents should be sufficient for the interview.

Political asylum application

Please review instructions for form i589 for list of documents.

Do you guys deal with immigration to the UK

Yes you will need a UK lawyer for assistance with immigration to the UK.