Can people with B2 visa can get medi-Cal?

This is not an immigration question. Depends on her future plans whether this is wise even if eligible as she would need to disclose that she...

I renounced my permanent residency but now I want to return to US?

Absolutely this is an option. USCIS may also look into validity of your first marriage.

I am on H1B and in search of job meanwhile can I convert to B2 status to have a lawful status in the US.

You can try to change to B-2 for everyone but you may have difficulty showing intent to return abroad if you are really trying to get a job and...

Change of name at immigration

When you apply for citizenship there is a question regarding name change and you can indicate your new name then.

Will getting married with a Visa card holder jeopardize my DACA status?

no. what type of visa does your fiance have?

Can I Travel to India when my H1B is picked?

yes, but you will be abandoning your change of status to H-1B, not the H petition itself and will need to wait abroad and get new H visa to...

Do we have to go to our bio. appt again if we got rejected the first time we filed for AOS, and are now refiling?

Yes you do -- required unless you got a notice that they were able to re-use your fingerprints.

Your I-131 will be considered abandoned but your I-485 should be fine.

Can my dependent stay as long as my I-94 is valid? What action can I take if my employer has been trying to convince me on this?

She may only stay as long as her I-94 card says unless an extension has been filed on her behalf. check this out...

Is my b1/b2 still valid?

Send a letter to withdraw the I-485 if not going forward. if you still have a valid visa for B-1?B-2 you can use this and if asked explain you...