The question
"The new expressway near your city cost ₹20,000 crore. The new airport terminal cost ₹10,000 crore. Who actually paid? Not the government's wallet alone — a surprising share came from people like your parents, through the stock market."
This chapter zooms out from one company's slice (Class 10) and one company's health (Class 11) to the machine that turns household savings into national infrastructure. Once you see it, you cannot unsee it.