Hello Ravi, See BHU is India's one of the reputed college. For ECONOMICS Subject BHU is the best one... Their entrance is not that easy, so to clear their entrance you need to go through previous year Economics question paper... I'm sending a link which has the paper of 2014, 2015, 2016, and 2017. Just explore it...

http://bhuonline.in/old-qus-paper-2016.html

Best Of Luck