Will working for an Embassy (home country) in the US fulfill the two-year home country residency requirement?

It says 2 year residency requirements which must be fulfilled by spending it in your home country. Cannot circumvent by still residing in the...

When our visa is under admin processing, Can we travel to other countries as a tourist or it might effect our admin processing?

No, your travelling is not likey to affect yout AP. Goodluck

I got the letter for my interview for citizenship however it's on a Saturday is that possible?

It appears to be the trend now. Appear as scheduled, if it is closed, it's not too much of a loss. Goodluck

Can I travel to the US with B1/B2 visa while my L1-B visa is under AP

Your company lawyer is suitably positioned to attend to your immigration needs. Goodluck.

F1 stamping in Canada?

Discuss your case with an immigration lawyer in private to find a way forward to acheive your desired goal. Goodluck

I previously worked on the H1b, completing 6 yrs cap. Can I apply fresh H1b if I spend outside of the u.s even as F1 status?

Work with an immigration lawyer to achieve your desired goal. Goodluck

Do I have an option. One of children was denial Visa on ground of unmatched DNA results ?

I had suggested adoption, however the age would make it not viable for immigration purposes. Contact an immigration lawyer to discuss a way...

Do I have another option if my child is denial visa on the ground DNA testing.

If you were married to the mother and have been involved in the child's life, you can petition for child as your stepchild. If not married to...

What can I do while on H1b besides my job?

I agree with my learned colleagues. Goodluck.

You would need to file a new H1-B. Discuss this issue with your new employer's lawyer for a way forward. Goodluck