Is I-131 the correct form to file for a person who has a Green Card through an immediate relative.

Yes.

I lost my passport which had my visa(f1..d/s) overstayed and 1-94. It was expired..I am leaving the us for good on my own.

No, you are allowed to leave.

Will she become a citizen when we marry?

If you are a US citizen, you can petition for her green card once you are married. 3 years later she can file for US citizenship.

What kinds of forms will I need to apply for a green card/citizenship?

You will need an attorney to help since you are out of status and may end up needing a waiver.

What is the "Class of Admission" for a GC holder through US Citizen child?

Your choice. CIS has a list of documents under instructions of the form.

Endangered communities among females. How can they be helped.

Question is?

My employer holds my H1B which is expiring on 9/30. They have applied for extension but my job has ended? what are my options?

You should talk to the employer. If ended means job was terminated, you do not have a H1 anymore. If you are a consultant and have ended the...

Need to wait till the work permit is approved before you can work.

yes

Am'I eligible/qualify for EB2 ?

Not on the stated facts. 3 yr BS + less than 5 years of experience do not qualify for a EB2 filing.