Dr. Nirmal is a scientist working in the field of Agroforestry at the Indian Council of Agricultural Research (ICAR) - Indian Institute of Farming Systems Research (IIFSR) located in Modipuram, Uttar Pradesh, India. He has published several research articles and papers in the field of agroforestry and sustainable agriculture. His research work primarily focuses on understanding the role of trees in enhancing soil fertility, improving crop productivity, and providing ecosystem services. Dr. Nirmal is also involved in promoting agroforestry practices among farmers to improve their income and livelihoods.