The correct answer is: A. Arahar
Arahar (also known as pigeon pea) is a legume that is widely grown in India. It is a major source of protein and other nutrients for millions of people. In the year 2015-16, Chhattisgarh produced 2.2 million tonnes of arahar, which was the highest production of any pulse in the state.
Mung (also known as green gram) is another important pulse crop in India. It is a good source of protein, fiber, and vitamins. In the year 2015-16, Chhattisgarh produced 1.8 million tonnes of mung, which was the second highest production of any pulse in the state.
Urad (also known as black gram) is a pulse crop that is used in a variety of dishes in India. It is a good source of protein, fiber, and iron. In the year 2015-16, Chhattisgarh produced 1.5 million tonnes of urad, which was the third highest production of any pulse in the state.
Gram (also known as chickpea) is a pulse crop that is used in a variety of dishes in India. It is a good source of protein, fiber, and iron. In the year 2015-16, Chhattisgarh produced 1.2 million tonnes of gram, which was the fourth highest production of any pulse in the state.
Therefore, the correct answer is: A. Arahar