How and where can I go to see if my boyfriend got married fraudulently to give a green card to an illegal alien?

You can try searching public records in your state

I am 17 US citizen. My Pakistani parents want to visit me to US. B1/B2 visa help?

The embassy will likely have your Mom sign a document that relinquishes her green card. Doe she want to do that?

Do I need to go for stamping again after transfer ? Am I going to have any impact in future ?

It is possible to travel on an H-1B visa if you have a different employer, but you should bring your new employer's H-1B approval notice

Status i-485 pending is good to stay in US as priority date is not current as per Final Action Date as per Jan.2016 bulletein

You can try but sometimes it is hard to extend an F-1 status if you have a Form I-485 pending.

Do I need to take another visa on my new passport? If not I can take my old and new ones? Will that be a problem at immigration?

If you have both passports you should be able to use the visa as long as it is still valid.

Can I apply for change of status from H4 to H1 without facing any issues from USCIS?

You can but run everything by your H-1B attorney as well.

Does a landlord need an attorney to send a Notice to Cease and/or Notice to Quit if the property is an LLC in NJ?

No sending a notice can be performed by the landlord

You can find several attorneys by doing a simple google search or using the Find A Lawyer tab at the top of the page. Good luck!

Can the land lord evict her with no place to go.we are appealing her disability.

Yes, the landlord can evict her - work with a social security benefits attorney ASAP.

Can i sue my landlord for evicting me for no reason?

Did the landlord actually initiate eviction proceedings? Your post only mentions a cease and desist letter.