__________ is the author of the book “Atal Bihari Vajpayee” ?

A) Sagarika Ghose
B) Karan Thapar
C) Rajdeep Sardesai
D) Swati Chaturvedi

Explanation: Book titled “Atal Bihari Vajpayee” authored by Sagarika Ghose has been launched. It is a biography on the former Prime Minister of India.