Who is the author of the book ‘Bringing the Cheetah Back to India’, which has been in the news?

With which state is the ‘Mukhyamantri Khet Suraksha Yojana’ associated—a scheme that has been in the news for protecting crops from stray animals and wild boars? 

How many new international ports has India recently added for the arrival of e-visa holders?

On which of the following days is World Biofuel Day observed every year?

Which of the following countries has become India’s largest supplier of LPG?