What does this mean:we transferred this I485 to another office for processing because they now have jurisdiction over the case?

It means they are processing your case , which better than no news.

Is it possible for me and my wife can offer at random migration to the USA (DV-2015) of each one separately by internet?

Yes.

My future wife is in India & I'm planning to file F2A (current PD 9/2013) in Nov. Will it move further in next 3-4 months? .

Hire an immigration attorney to assist you with the process.

Hire an attorney to represent you in recovering any money owed to you.

How to cancel the H4 extension when the H1B visa become active.

You should speak with an experienced immigration attorney who is familiar with business visas.

I am out of status f1 student . I overstayed in my for 2 years . What shall I answered I. Question no 16?

If you don't know you can be headed into being arrested and deported. Call an attorney to assist you.

Can I file a waiver for a k1 visa denial under section 221 g?

Before doing things that are ineffective you should speak with an experienced immigration attorney.

Can I buy dental practice on h1b

You should speak with an experienced immigration attorney. This investment would be prudent before you purchase a business.

Married to a united state citizen. Do we need file tax together.

See a lawyer.

If you live together you should not have a problem proving it.