Dear Renuka,

Biology books in Hindi are as follows:

1. NCERT biology hindi textbook

2. Biology (Jeev Vigyan) in Hindi by Mahesh Kumar Barnwal and Cosmos Production (for All Competitive Examination) with NCERT Class 6-12th

3. The Platform Biology Complete Book in Hindu Rukmini Prakashan

4. Yooth Biology Vol 1 Chapterwise Solved Papers Book in Hindi for TGT/PGT/UPPCS and Other Competitive Exams

Hope this helps.

Best wishes.