Any visas for my i130 application

There is no way to answer that without the category and country of birth. Go to myprioritydate.com for the best prediction on your quota backlog.

How to maintain the status if am transferring from F1 OPT to F1?

The school that issues the I-20 should be able to assist you with adjusting the I-20 issuance date and SEVIS intake date to keep you in status.

You can certainly change businesses and locations but you must first get an E-2 amended I-129 filed with CIS or go to the US consulate for a new...

Can I stay unemployed on H1-B visa and how to get it transferred on other employer's name?

If you are not working you are out of status, period. You need to find an H-1 employer immediately, preferably one that is not a contractor. Good...

H1b denial due to "abandonment of RFE" (RFE not responded ontime) - can this be handled without going through MTR?

You must file a Motion to Reconsider and explain why it was filed on time, with proof of same.

Can I start a company on H1B Visa? If not, what are the other options available?

You MUST see a Board Certified immigration attorney before this actually happens. Owning a company is considered employment and a violation of your...

My adopted son has texas birth certificate where to file N600 form which USCIS address to get my son US citizenship certificate

It does not work that way. You really need to see a Board Certified immigration attorney. The adoption must occur before hu turns 16 and then he...

Filed for adj. Of status, went through the process but I-130 had expired!!

You are getting very bad advice. For AOS I-130s never expire. They can be cancelled by the Dept of State if you use consular processing.

Can my husband be deported?

You may be able to help your husband but you need to visit a Board Certified immigration attorney.

How will my green-card (through marriage) processing be affected since I have been out of status?

Because you entered legally and you are married to a US citizen, your case will be processed as if you are legally here. No worries.