Admission process for this course differs from college to college. In Delhi university, the first thing you have to do is to fill an online application form  for DU (which is released mostly by first week of may or last week of June) mentioning all the courses you wish to take admission in and your class 12 board marks subject wise. Then you have to wait for the cut off lists which will be out by the second or third week of June.once DU releass its cut off you have to check in which college's cut off you fall, then within the dates relased by the university , you have to go to the respective college where you are meeting the cutoff for the course along with necessary documents, and thenyou have to complete certain formalities ,then you are done