Dear Debajit,

The following are the list of some of the books you can look for preparing for WBCS:

• Objective General English by SP bakshi
• General Science by Tara Chand'
• Yojana
• Swadesh Sabhyata and Biswa by Jiban Mukhopadyay
• Bharat O Paschimbangar Bhugol by Kartick Chandra Mandal
• Bharater Sangbidhan O Shashon Byabostha By Anadi Kumar Mahapatra
• Bharater Arthaniti By Joydeb Sarkel

All the best