Agriculture is the oldest occupation in both India and the world. In India, more than 620 million tons of agricultural waste are produced annually, out of which only 25-30 percent is utilized for livestock feeding and energy production. Most of the Indian farmers, especially in the north-western region of India, are using crop residue burning practices to clear the field in the rice-Wheat cropping system for timely sowing of the next crop. Burning crop residues releases harmful gases like CO2, CH4, N2O, H2S, O3, and smog. Human activities are also continuously increasing the concentration of...