I need help on knowing the process of receiving British Citizenship

First of all, it is not the simple process to get British citizenship. You are not eligible to become a British citizen just because you are born in the UK while there are different ways of applying for it based on your circumstances. The most common process is called naturalization. If you have held the grant of Indefinite Leave to Remain for at least twelve months, you are able to apply for naturalization. After you receive the certificate of naturalization you are free to apply for British passport. It is processed within approximately six weeks. However, authorities can ask you for an interview before processing the application.