Hello

Some of the good books for preparation of DU JAT exam are:

- The Perfect Study Resource for - Delhi University (DU) BMS Entrance Test

- University of Delhi BMS/BBA (FIA)/B.A. Business Economics Joint Admission Test Guide: BMS (Bachelor of Management Studies) Common Entrance Test Guide (Hons.)

- A Complete Self Study Guide BBA/BBS/BBM (Bachelor of Business Administration/Studies/Management) Entrance Examinations 

Since it is late to answer this query, I hope you have performed well in the exam. Do let us know if you have any other queries.

Good Luck!