Hi Aawishkrita, 

First of all you need to decide the course you want to pursue since you are from humanities stream you can do Law,  Company Secretary,  Hotel Management and other Courses like English Hons,  Political Science Hons,  History Hons. For law you will have to give law entrance exam namely CLAT which is for admission into National Law Universities located in around 19 states.you can get more information on clat.ac.in. For company secretary course you can simply fill the form.  Relevant details are available at ICSI.edu.