General Nonimmigrant Visa

Currently I am on H-1B and my wife in H-4, my company had recently filed for Green Card. It has been 6 months since the petition has been filed. My wife has about 5 years of work experience back in India. She is interested to work here now. What are the possibilities of her getting a job here in US. As my GC is in progress, can she start looking for a job once my I-140 is approved?

Iam a Indian National Married to A US PR holder She has cleared her N400 Interview .I have been last year Denied Admission (deported) from Airport after me being initially on Student (F-1) Visa & then on H1B (61/2 years previously) with Citations : 212(a) (7)(A) (i)(I) & 235(b) (1) .
The questions I have for you are :
Q) Do I have any 3 yr, 5 Yr or 10 yr ban on my entrance to USA ?
Q) Do I need any waiver like I-212 or anything else for my future entry to USA ?
My I-130 had been approved and I believe I can upgrade my I-130 by my Spouse sending her Naturalization Certificate & her passport copy to NVC(Kentucky)
Q) Do you think I might have difficulties while facing this changed IR-1 Category Visa Interview and any other problems at the Port of Entry ?
Q) What timeframe does NVC take to notify the Consulate & Can it be Hyderabad, India ? & Overall how much time will it take for me to get the Visa or the Conditional Green Card

Last year my tourist visa was denied because the officer thought I may not come back. Now I am going for student visa. What effect will the tourist denial have on my student visa application?

Can I get K visa for my spouse? I am a US immigrant with green card. Is there something called a V visa?

My sister filed petition for me last year maybe I-130. I am an Indian and my wife is Italian, I am in California nowadays since last week. Can we stay here permanently under I-485 or AOS whatever?

Do we need to send an LCA for H-1B1 Singapore quota?

Do I have to get a new visa stamp for my F-1 or can I travel back using the same F-1 visa stamp if my reinstatement is denied? I fell out of status because I registered for less than a full course load.