Question

Do you think
that imposing a penalty was the main reason for making Surat a model city?

Answer 1

yes. i think that's the main reason

Answer 2

Imposing a penalty played a key role in making Surat a model city. Increase in population and fast pace of urbanization caused the garbage to become more and drains to overflow. ... Soon, the government realized that it was essential to have a penalty to get people to understand their role in keeping the city clean.