This is the most likely scenario. There is a very popular book on Differential Geometry published by Krishna Prakashan written by and G.S. Sandhu.
: A more comprehensive 463-page edition (often the 5th edition) intended for competitive exams and higher mathematics.
If you are still struggling to locate a specific edition, refine your search string. Instead of the broad phrase , try: differential geometry krishna publication pdf
Surfaces of revolution, helicoids, metrics, and families of curves.
: Carrying a 400+ page textbook digitally for on-the-go study. This is the most likely scenario
Honestly, Krishna Publication is decent for exams, but terrible for understanding. If you want a free PDF legally, use open-source alternatives:
As for the PDF version, I recommend checking online platforms like: : A more comprehensive 463-page edition (often the
: Concepts are introduced starting from preliminary vector concepts, moving through curves in space, and concluding with complex surface theories.