A military history of ancient India - Gurcharn Singh Sandhu - Google Books

https://books.google.de/books?id=0yXcAAAAMAAJ

India's military history goes back to the Indus or Harappan people who flourished 5,000 years ago; the history of military fortifications in the country goes back even further. It remains, however, a subject largely neglected by the country's historians.…