The book is widely used in M.Sc. Fisheries curricula and covers: Fish and Fisheries of India - V. G. Jhingran - Google Books
"An old friend," he said. "Page 151."
You can also try to find it on various library or Institutions which can provide you the pdf.
: Educational resources like Scribd and ResearchGate provide overviews, summaries, and references to specific chapters (e.g., pages 3–48) for student use.