Er. Manoj Kumar currently serves as the Executive Engineer (Electrical & IT) at Nalanda University, Rajgir, an International Institute of National Importance, where he has played a crucial role in leading the development of the world's largest net-zero, green, and sustainable campus. Er. Kumar has been a highly popular net-zero trainer and a passionate advocate for ecological sustainability. With a master in power electronics and systems and certified water auditor, Er Kumar brings more than 15 years in govt sector as key personnel as sustainable policy makers and long experience in the public energy sector. He specializes in Energy Regulations for Sustainable and Integrated Development, Carbon-Free and Green Habits, Grid Systems, SCADA/DMS, Smart & Mini Grid systems, Various complex systems of the HVAC (with latest technologies including DEVAPS, Geothermal, Thermal Storage, etc), Renewable Energy Systems, CHP Engine based on Biogas and PNG sources, and Effective Water Management Systems with indigenous and latest integrated approaches. He is a dynamic and certified green professional recognized by GRIHA, IGBC, IBA, NISE, etc., renowned for his notable contributions to water harvesting through indigenous and integrated Ahar-Pynes systems.