Who is Haresh Khanna from A Suitable Boy: A Novel and what is their importance?

Haresh, the suitor who ultimately wins Lata for a wife, is a young man of ambition in the shoe manufacturing business. His drive is as big as his ambition and he maintains a positive outlook, even in the face of adversity. At the time he meets Lata, he is actually out of work and openly in love with a Sikh girl whose parents will have none of him.