Can I sponsor my daughters (2) from Canada ? How long would it take to get a visa for them?

You can file a petition for the daughters (1 each) but there is quite a wait for them to come to the US. If you were married to your husband...

These waivers require that you have a spouse or parent that is a USC or LPR. Does you dad have such a relative?

Would be there a problem if I forgot to list nicknames on other names section and I send evidence that have that name?

You need to send a follow up letter.

We are a family of 2 adults and 3 children who dont have any legal papers to live in the us except my 1 year old son

You ave few options at this point. Please seek local counsel and brainstorm.

You can eliminate the plus 4 and still be ok.

Challenging asylum case. Attorneys willing to take the case pro bono, please get back to me.

You need to seek local assistance on this

Do i Need to mention my arrest in DS160 US visa Form.

Yes!

Does a District Attorney have the power to stop mail and say that a residence is vacant when it is not vacant?

I have transferred your case to criminal.

Affidavit of support help!

I agree.

Can H1 and L1B extension applied on same time?

The petitions can both be filed but you cannot extend and change your status at the same time. So it is best to do one at a time.