by Chetan Bhagat

The 3 Mistakes of My Life by Chetan Bhagat is a story about three friends in Ahmedabad, who open a cricket shop and face many challenges:
The friends
Govind, Ishaan, and Omi are friends who dream of success and open a cricket shop together. Govind wants to be a successful businessman, Ishaan is a cricket fanatic who gave up his NDA training, and Omi wants to avoid his destiny as a temple priest.

The challenges
The friends face many challenges, including:
Religious politics: Religious tensions rise due to a politician.
Calamities: An earthquake destroys the Navrangpura shopping mall and much of Ahmedabad.
Love: Govind falls in love with Ishaan's sister, Vidya.

Their own mistakes: The friends make mistakes that lead to the deterioration of their friendship and business.

Original book, pages are yellowish but readable