I-131 ?

See the USCIS.gov website for processing times

yes you could have submitted the adjustment application concurrent with the I-130. You may do so now before the I-130 is approved.

Can I do H1b transfer to a new employer when my current company has filed an extension ?

yes a new employer may file for you, however, to be authorized to change status you must be maintaining status. Speak with the immigration attorney...

My Cap Gap expires on Sept 30 and what happens if my H1B is Denied?

Your authorization to remain ends if the H-1B is denied.

Can I bring my husband here in usa

You will need to find a co-sponsor if you do not have sufficient income.

This is not an immigration question.....

If I am under HYTA, should I still reveal on job application forms that I have been on probation?

This is not an immigration question.....

If I am under HYTA, should I still reveal on job application forms that I have been on probation?

This is not an immigration question.....

If I am under HYTA, should I still reveal on job application forms that I have been on probation?

This is not an immigration question. .....

Can i person have both H1B and spouse visa ??

If you have H-1B status you may change to H-4 if eligible.