How do I answer a question on N400 form, if I withdrew an application at POE and returned back to the origin

It appears you would answer Yes based on the facts you presented. I would include a written explanation of this incident.

Marriage base immigration fee?

For a current list of USCIS fees, refer here: https://www.uscis.gov/forms/our-fees

Can I apply for citizenship if I have been married to a Us citizen for 4 years.

You need to be a LPR for 5 years or LPR married to USC for 3 years to naturalize.

When does asylee green card holder becomes eligible to apply for Citizenship if married to US Citizen?

Yes as she has been married to a USC for 3 years, she can apply for her citizenship. Good luck.

Will this affect the result of my greencard through marriage case

It is always best to be completely honest with the government when requesting a benefit. It is advisable to send your birth certificate as well as...

How long will it take to fix my husband immigration status.

Assuming a good faith marriage, you can file an immigrant petition in US but would need a hardship waiver (601a) to be adjudicated in US due to his...

The new passport is the one she should carry and use as the old passport won't be acceptable. And also a new visa will need to be issued upon...

1-130. How long does the process usually take?

If this is a consular case then yes, those are the preliminary documents you would send. Consult with an attorney for more info.

Can I travel to Pakistan

Pakistan is not on the travel ban list (although there has been a suspension of it, POTUS is likely to announce new EO but likely same 7...

Adjustment of status

If you a USC she is adjustment eligible, meaning you can apply for her green card in the US.