How can I be able to start the process to get my mother in law a visa to visit us in usa?

There is no special procedure for that. She may apply for a visitor visa, just like anyone else wishing to visit US. You may also prepare an...

How long is the wait until Permanent Resident Card is mailed?

Although some cases get approved the same day, this is not the rule. 120 is the standard answer USCIS will give you if 120 days have not passed. My...

Can i still travel if my residents card is going to expire soon?

Yes, just make certain to return to US before your permanent resident card expires.

Filling for marriage based status adjustment

you only need the divorce certificate, translated and accompanied by a certificate of translation, like this one: https://goo.gl/q36spR

Is it mandatory to have passport to apply for citizenship. I have a copy of my passport.

You may use a copy to submit the application, but you will need to bring the original to the interview (even if it will be a different one).

Does it make sense to hire a lawyer if im in the process of waiting for my interview as pending asylee?

You could start with a consultation, at which time you will discuss any and all concerns you may have, then go from there.

I am changing this to criminal defense

If you have asylum pending and cannot get Police certificate from home country for Consular Processing in third country

have you tried giving power of attorney to someone else to obtain it on your behalf?

Where in the main sponsor's form i-864 can I add financial support from a joint sponsor that's not a household member?

Your father in law needs to submit a separate I-864 and supporting documents.

How long does it to get approved I 539 form after getting receipt letter ?”??

In my most recent cases it has taken over 6 months to receive an answer.