Please advise me the procedure of Khums and it is possible to remove Khums every month?

You can remove khums every month.
All kinds of things, money foods …you have to remove the khums.
count the money, things… etc and calculate the fifth part of this money and give them to mujtahid or wakeel.

Note: the money, foods etc that you have to spend in that year you can evoid these from your incoming ( it called مئونه )