Three Mistakes - Of My Life By Chetan Bhagat

: Ishaan’s sister, whom Govind tutors in math and eventually falls in love with. The "Three Mistakes" of Govind

The narrative is framed as a confession from Govind, who recounts three critical errors that led to tragedy: Three Mistakes of My Life by Chetan Bhagat

: The narrator and a math whiz with a dream of becoming a successful businessman. He is cautious but prone to the "mistakes" that drive the plot. : Ishaan’s sister, whom Govind tutors in math

: A passionate former cricketer who find meaning in coaching a local prodigy. : Ishaan’s sister