The Internet Archive (archive.org) sometimes hosts out-of-print editions. You can borrow a scanned copy for 1 hour or 14 days if the copyright holder permits.
Platforms like , Olx , or campus notice boards sell used Gupta-Kumar-Sharma books for ₹100-₹200. That price is less than a pizza.
Finally, the day arrived when Aryan's machine was ready to be tested. With a mixture of excitement and nervousness, he loaded the first set of goods onto the platform and began the process. The machine worked marvelously, slowly but surely moving the goods up the incline. The townspeople gathered around, amazed by the efficiency and simplicity of Aryan's invention.
: Foundations of Newtonian mechanics and conservation theorems.