Babur, the founder of the Mughal Empire, is the Mughal monarch who vividly described Indian flora and fauna, seasons, fruits, etc., in his diary. Babur`s diary, known as the Baburnama, provides detailed accounts of his experiences and observations during his time in India. In his diary, Babur meticulously recorded the various aspects of Indian life, including the natural environment. He described the diverse plant and animal species he encountered, as well as the different seasons and fruits found in India. Babur`s diary offers valuable insights into the natural world of India during the Mughal period and serves as an important historical and cultural document. Alert - correct answer should be Jahangir.