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Rajendra Chalisgaonkar, former Engineer-in-Chief, Irrigation Department, Government of Uttarakhand, India, graduated from Madhav Institute of Technology & Science, Gwalior, India, in 1978 in civil engineering and then obtained an M.E. (structural engineering) in 1982 from the University of Roorkee, now IIT Roorkee. He was also Managing Director of the Uttarakhand Project Development and Construction Corporation Ltd., a government of Uttarakhand enterprise. He was responsible for the development of irrigation, policymaking at the apex level, planning, management, and construction of water resources and infrastructure projects. He has more than 40 years of varied experience, which includes investigation, planning, design, research, CAD applications, and construction, and has also worked on prestigious projects of Uttar Pradesh and Uttarakhand in India. He has authored two books, Computer Aided Concrete Mix Design and Design of Breast Walls: A Practical Solution Approach, and authored more than 125 research papers published in various journals and symposia. He has also delivered keynote/special lectures at various institutes and organisations. After superannuation, he has been engaged as Adjunct Professor at MITS, Gwalior, Water Resources and Hydropower Consultant, IIT Roorkee, Dam Safety Management Expert, National Dam Safety Authority, Consultant, DMR Hydroengineering & Infrastructures Ltd., Consultant, NJS Engineers India Ltd., Consultant, DHI, India, Water & Environment Pvt. Ltd. and other organisations. He is the recipient of many prestigious awards, including the Life Time Achievement Award in 2021 by the Indian Society for Hydraulics, CBIP-Young Engineers Award in 1992, IEI-HYDROSEM Award in 1996, IEI-Eminent Engineers Award in 2014, IEI-Engineering Excellence in Field Award in 2017, IEI-Eminent Authors Award in 2021, CBIP-D.B. Anand Medal in 1992, Gwalior Ratna in 1997, among other honours.

Mukesh Mohan, former Engineer-in-Chief, Irrigation Department, Government of Uttarakhand, and Managing Director, Uttarakhand Project Development and Construction Corporation Ltd., obtained his B.E. (civil engineering) and M.E. (hydraulics engineering) from the University of Roorkee, now IIT Roorkee, in 1985 and 1987. He has an experience of more than 35 years in the field of design, planning, management and construction of water resource structures, water supply projects and sewerage projects, sewerage network, and sewage treatment plant. Mr. Mukesh Mohan was involved in planning, survey, and construction work of barrages and allied structures along with the 4.50 km long head race tunnel of the 304 MW Maneri Bhali Stage-II Hydro Electric Project, Uttarkashi, India. He was also involved in the laying of water supply networks, sewer networks, and sewerage treatment plants in Roorkee and Dehradun cities. He has co-authored ten research papers, which has been published in journals and symposia. Mr. Mukesh Mohan is the recipient of the prestigious IEI-Eminent Engineers Award from Uttarakhand State Centre for his contributions in the field of water resources.