Is it possible to complain about the customs officer attitude?

As stated by my colleague you may file a complaint. Whether it will accomplish anything is questionable.

How to file an Adjustment of Status while in removal proceedings?

In general, when a person is in removal proceedings, the application must be filed with the court unless the case is administratively closed to...

Going from L1B to Asylee

The general rule is that you must apply for asylum with in one year of arriving in the United States. For your application to be accepted after one...

Business Visa

It is not possible to answer your question without reviewing your visa history and why the visa has been denied.

I filed for my moms immigration now they are asking for moms birth certificate we don't have it what can be done ?

The facts you present make no sense because you are saying that you filed and you have her birth certificate and then you are saying you don't have...

Do I have to complete 90 days requiremwnt

i agree with my colleague. You can determine for yourself when you are eligible for Naturalization by reading the Handbook on Naturalization found...

No. You must have maintained a lawful status while you are in the United States in order to change to another visa type. Pending asylum is not...

Am i allowed to leave the US and come even if i am under removal proceeding?

No. You need to remain here until the removal proceedings are closed. If you leave you will be considered to have self deported.

I need to expedite my asylum interview as my mother will be undergoing surgery in another country and I need to be or present

It is not likely you will be able to expedite your interview but you can apply for a travel document.

Once you have overstayed your visa you can not adjust status inside the United States except under very limited circumstances - an employment visa...