My mom is cited with Misdemeanor - PC 488

You should meet with an attorney immediately. Your Mom should not agree to a plea or leave the country without first consulting with an attorney...

Can I travel to India while H1b is being processed ?

Yes.

Am I required to report my divorced status to immigration?

You do not have to submit the information. When you next apply for an immigration benefit -naturalization - you will inform then then.

Can i apply/accept employment while my I-130 petition is in process?

You should file the I485 and I765 so that you can obtain employment authorization.

Affidavit of financial support - i864

Your wife, as the petitioner, must file an affidavit of support even if she does not meet the income or asset requirements. Your brother can file...

Will i be needing an immigration attorney when the immigration reform kicks in?

While three has been no passage of reform to this point, more than likely if passed it will apply to people who are physically in the US and your...

How many possibilities I have to get a Green Card?

Perhaps an investment visa.

As a Green Card holder what would be the point? What does your attorney say?

Is the adam walsh act as it relates to immigration unconstitutional?

Until a court says otherwise, no.

Can I file all paperwork for Petition for Alien Spouse consecutively?

Assuming there are no unmentioned eligibility issues, yes.