'2G Saga Unfolds' book was written by _________.

Andimuthu Raja

The correct answer is Option (3) - Andimuthu Raja

The book '2G Saga Unfolds' was written by Andimuthu Raja. Andimuthu Raja, a former Telecom Minister of India, wrote the book to present his perspective on the 2G spectrum allocation controversy.

The other options can be ruled out:

Mohsin Hamid: A renowned Pakistani novelist, his works don't focus on Indian politics or the 2G spectrum case.

Tarun Vijay: An Indian politician and journalist, his writings are likely more focused on current affairs and political commentary.

Kanwaljit Singh: An Indian author, his works might not be specifically related to the 2G spectrum case.