Paperback and updated versions (such as the 2023 5th Edition or the 2025 6th Edition ) are available on Amazon India .

In the rapidly evolving world of biological sciences, few textbooks have managed to bridge the gap between fundamental concepts and advanced applications as effectively as by Prof. B.D. Singh . For undergraduate and postgraduate students across India and beyond, this book has become synonymous with clarity, depth, and examination-oriented preparation.