How to join C.I.D

Posted by Palak Palak
I m palak frm jammu and frm my childhood i had a dream to become a C.I.D officer. But problem is that i don't know what should i have to do after passing my 12th class exams. Don't miss understand it with the tv serial C.I.D, i m talking abt the real C.I.D.   So, plz give me the right option..  I m waiting for your reply.