Who among the following is the author of the book 'Unaccustomed Earth'?

Jhumpa Lahiri

The correct answer is Option (3) - Jhumpa Lahiri

The author of the book 'Unaccustomed Earth' is Jhumpa Lahiri.

'Unaccustomed Earth' is a collection of short stories by Jhumpa Lahiri, an acclaimed Indian-American author known for her insightful exploration of themes related to immigrant experiences, identity, and cultural displacement. The book received widespread critical acclaim and won several awards, including the Frank O'Connor International Short Story Award.