There are certain process through which you get admission into Colleges without any entrance examination:

• Universities like Delhi University gives admission on the basis of student's extra curricular activities, under which if the student had had a good record in a particular extra curricular activity then he may give a preliminary test and apply for certain courses and colleges available.
• There are various Universities and colleges especially private institutions that gives direct admission in various courses offered by them, only a minimal eligibility is required to be cleared. These include: Amity University, Chandigarh university and more private institutions.
• Various colleges has a Management Quota under which the student can apply for admission without entrance form only they have to pay an extra amount additional to the college default fees. Usually this is a very costly process but confirms admission.
• At last, certain colleges especially the one providing Honors related courses give admission to the meritorious student who have scored well in their class 12 Board examination. So one can take admission on the basis of their board percentage only.

For all these processes an application form to the college portal is necessary and to know more you can visit a particular college's website and get required information.