Hello Tushar!

Hope you are doing well with your preparations.

Best book for preparation of BHU Arts and Social Science Entrance Exam is BHU Banaras Hindu University B.A Bachelor of Arts Entrance Exam 2019 with Solved Paper (author--Arihant Experts). This book is recommended by Banaras Hindu University itself. Make sure that you buy the latest edition of the book and it contains all the updated information.

Thank you and good luck.