G.K. Pal is currently in its . The "updated" versions usually refer to:

Comprehensive Textbook of Medical Physiology (Two-Volume Set) Google Drive Link

. It was designed to help students master lab investigations like heart rate variability—a topic GK Pal was the first to introduce in a student text. The Shift to Theory

- A 451-page resource covering practicals by G.K. Pal and Pravati Pal. Google Drive Link - Full PDF of the practical textbook. Key Textbook Details