The print edition (by Nirali Prakashan) is relatively inexpensive (typically ₹300–₹500). However, the search for a free PDF often stems from:

Solid-liquid extraction processes used in mining and food industries. Crystallization:

This book is widely used because it breaks down complex concepts into simple language with solved examples. It focuses on the separation processes used in the chemical industry.

Possibly, but it is illegal and often leads to outdated editions or missing pages. We strongly advise against it. Your engineering degree – and your future employer – expects ethical conduct.