In this time which government colleges admission is open in Bihar and Delhi
If you are asking for 2018 admission of Engineering programme then the session is over now so the admission of all the Government college is closed now. Most of the exam session 2019 application form has started like JEE Main. JEE Main 2019 will be conducted twice January & April in a year, The application form of January session is over now but April session application form is expected to start on 8th Feb, 2019.
In case you have any other query then let me know.
Good Luck!