When Can I Apply for U.S. Citizenship?

Yes you can apply. The conditions on your residency were removed.

I agree with my colleagues.

What are the additional documents needed to be sent along with form I-130 for my wife?

G-325As as well.

Entrepreneurship visa

E2 visa.

Change status from F1 to J1?

No F1 will not be cancelled as well.

I was arrested at the border crossing into Canada with a small amount of narcotics. I was detained/fined and released.

I agree with my colleagues.

Can a person visit US using H1B only for three weeks and getting paid on daily allowance with no Salary slip.

If you are on a H1, you will need to be be paid as a W2 employee.

Hi, I am currently on L2 EAD working with a good company. My husband's L1 and my L2 visa will be expiring in Nov'13.

Unfortunately H4 visa holders cannot work. You may be able to have an employer file for your H1 in the next quota.

Do I need to notariz I-864a form?

I agree with my colleagues.

Can my wife get her H1B transferred to different employer?

If she can prove a 140 was approved for her, she can file for extension beyond 6 years. Any employer can file. She cannot work as an individual...