Am I required to report my brother-in-law's illegal immigration status?

There is no legal requirement to report someone that is entering or living in the US.

Pls create easier way of filing for oneself if married without d spouses signatures? We have been threatened and can't report

Tif there is immediate violence contact the police. For mental abuse there are various agencies as my colleague suggested for assistance and for...

When i do apply for green card can she also apply for green card with me? If Yes what are the procedures and what kind of steps

Yes as long as she remains in US and is timely filed with yours

H1 picked up in the lottery but employer may layoff around mid August. Is it still possible to change employer before October?

you may have more than one approved H1b at the same time.

Not an immigration law question. Consider posing your questions to your university or representative.

I am on Green card, Can I file GC for my parents ?

As my colleagues have advised, you must be a US citizen before being eligible to petition for your parents.

If employer is not taking on pay-roll even after receiving the employment based green card then what what action can be taken?

Your question may belong more appropriately with an employment labor lawyer. As for the immigration aspects the employer must have had the...

Can I apply for immigration for my parents in this conditional green card status and as they have multiple B1/B2 Visa in usa

As my colleagues have indicated, you must be a US citizen before having eligibility to apply for parents

What are my chances for applying STEM Extension?

As my colleagues suggest, your DSO should assist you. If the problem is your employer reluctance, that is up to your employer.

My joint sponsor havent submit his tax return for 2015, but he have a extension letter from IRS to submit later, it will work?

Submit 2014 taxes and the extension letter and you may receive and RFE. Better to have 2015 taxes filed and submit if you want to avoid RFE.