Can I do H1B visa transfer within 2-3 weeks after entering US?

Yes, you can do an H1b transfer without pay stubs in this situation and you will be eligible to work with the new company as soon as the petition...

Venezuela born with a US permanent work Visa.. We need to go to Canada for a work related trip.. but foreign passport expired

Yes, he must have a valid passport to enter Canada and to re-enter the United States.

Can I apply for EAD with approved I-140 being in H1b?

Your priority date would need to be current before you could apply for an EAD.

Does Going to India for h4 stamping cancels H4ead in process

1. He will not have work authorization after the expiration of the current EAD. The H4 EAD does not allow for extended work authorization based on...

Will I have to get a stamping done in Canada if I go there for a vacation when I hold an approved h4 but it's not stamped yet?

You will not need visa stamping to return to the United States if you use a land crossing, keep your trip under 60 days and request "Automatic...

Will i-539 & i-765 get processed & approved the same time when they are filed together?

Yes, they should receive approximately the same processing times from USCIS

Can you travel on a b2 visa and then return to apply for an f1 visa?

Yes, you may be able to do this. It will depend on whether you can be admitted at the point of entry. Receiving the I-20 while in the United States...

Changing status from H4 to an R-1 is possible, Your eligibility for the R-1 and subsequent Eb4 green card will depend on meeting the other visa and...

What happens to an L1 employee, if the originating company from where he came shuts in a few months after L1 is issued?

Yes, it could affect the approvability of future petitions. You should be eligible for an Eb2 visa, but you should consult an immigration attorney...

Can Canadians hold multiple visas?

You can have both visa stamps, but you cannot be in the United States on both statuses at the same time.