Hello Sriyesha,

Books you should refer for clearing DU DSJ entrance examination are mentioned below with their authors:

• Success Master : Journalism and Mass Communication Entrance Examination - Arihant Publications
  
• Mass Communication in India - Keval J Kumar
• Principles & Concepts - Seema Hasan
• Quantitative Aptitude - RS Agarwal
• A Modern Approach to Logical Reasoning - RS Agarwal
• Word Power Made Easy - Norman Lewis

Good Luck

Hello Sriyesha,

The topics from which the questions will be asked in DU DSJ  entrance exam are:

• General Knowledge

• Current Affairs

• Analytical Comprehension Skills

Here I'm providing a link go through it you will get the list of all important books for DU DSJ examination.

https://media.careers360.com/articles/how-crack-du-dsj-entrance-exam

Hope it helps!!!