Hi Raghav,

The best book for Business Studies for 11th standard is Arihant All in One Business Studies . Link given below:

http://www.schoolkart.com/arihant-s-all-in-one-business-studies-cbse-class-11th.html?gclid=Cj0KCQjwjtLZBRDLARIsAKT6fXxeeoD4OF-AY7l7OYhPznffIXlMo3KhLKuRwOFdWWH6_ixokYDVA7oaAl_BEALw_wcB

Thank you and best of luck.