Hello, mahima.                                                          Congratulation that you have scored good in SET and selected for PI. PI which personal interaction  it is conducted by institute to check the suitability of candidates for the college . in PI general questions were asked like hobbies, career aspirations , engagement in cocurricular activities etc. They generally don't ask subject related questions. Their is WAT ( written ability test) also it is a normal      written test . can easily ace without having much preparation only  have knowledge about current affairs and issues.                                       After this merit list drawn based upon the combined score of SET and PI-WAT .                    BEST OF LUCK.