Correct option is A
All four of the books that is mentioned are classics of Indian wildlife writing. They are all written by renowned authors who were passionate about the Indian wilderness and its creatures.
Wild Beauty by Kailash Sankhala is a collection of essays on the wildlife of India. Sankhala was a renowned naturalist and conservationist, and his essays are full of insights and observations about the animals he loved.
The Fall of a Sparrow by Salim Ali is a memoir by one of India's most famous ornithologists. Ali was a pioneer in the field of birdwatching in India, and his book is full of fascinating stories about his encounters with birds from all over the country.
Night and Days: My Book of Indian Wildlife by M. Krishnan is a collection of essays on the wildlife of India. Krishnan was a naturalist, conservationist, and writer, and his essays are full of lyrical descriptions of the Indian wilderness and its creatures.
My India by Jim Corbett is a collection of essays on the wildlife of India, particularly the tigers of the Kumaon region. Corbett was a hunter turned conservationist, and his essays are full of suspenseful stories about his encounters with tigers and other wild animals.