Here are a few preparation tips for the MSc Botany Entrance of Visva Bharati University. 

• Make your basics clear.
• Go through the textbooks you followed during your graduation. ‘A Textbook of Botany’ by Hait, Bhattacharya, and Ghosh can be a good reference book. 
• Microbiology, Mycology, and Plant Pathology, Cell Biology and Genetics, and Molecular Biology, Plant Physiology, and Biochemistry are a few of the sections that you should pay more attention to. 
• You will get MCQ questions in the entrance, so you should prepare accordingly. 

Hope this helps you get some idea about the entrance.