Can I stay upto my previous I94 validity date and reapply for H1B extension with new job offer within that validity period???

Normally a denial does not end a previously approved stay. Talk with the immigration attorney that prepared.

Premium Processing for I-140 for getting green card quicker?

The adjustment will not be premium processed and thus you may not save any significant time by premium process.

Does this mean my husband is getting his visa?

Yes it is very likely your husband has been approved.

Mi fiance arrived with k1 visa but he didn't get i 94 when he arrived ..its that how it supposed to be or he need to have i 94?

The arrival stamp should be in the passport. The I-94 are electronic and can be reviewed on the CBP website. Make sure to be married with 90 days...

Proof of relationship for k1 visa

If you met during the two years preceding filing it may be possible to use the fiance petition. Evidence may consist of photographs plane tickets,....

Do you have the receipt? if you do contact and immigration attorney. If you do not contact an immigration attorney as the filing by your father may...

For EAD renewal

The 90 day time frame is no longer being met by USCIS

How to Renew EAD if you dont have previous ead documents.

submit what ever evidence you may have such as receipt notices

Volunteering under H4 visa

If by volunteering you are performing activities for which a US citizen or lawful resident may be compensated, you are likely to be consider...

From B1/B2 to F1 visa

Once you change status and you travel and return on the B-2 you will no longer have F status and will need to reapply for a COS to F.