An expert lecture was jointly organized by Department of Civil Engineering and Mechanical Engineering at the Institute on ‘Rain Water Harvesting: an answer to water challenges’ on 02/12/2022. The lecture was delivered by Dr. L. N. Thakural, Scientist D National Institute of Hydrology, Roorkee and Nodal Officer, Swachh Bhatat Mission, Government of India. The lecture was of national importance and motivational for students. The quality of lecture was excellent and students asked many quarries, which were very well answered by the expert. Students were highly motivated with this lecture. The main focus areas covered were as following: