Ranjana Ray holds a masters degree in Environmental Engineering  and a bachelors degree in Civil Engineering. She graduated from Delhi College of Engineering and did her masters degree also from the same college. She taught for a year in Delhi College of engineering before joining the industry in the field of highways. She has handled numerous highway projects in India, both state and national highways including design, rehabilitation and maintenance of roads and conducted Environmental Impact Assessment studies over the past 17 years. She has extensive experience in design of Reinforced Soil Walls for flyovers and railway bridges. She has experience in design of water supply systems and waste water sewerage systemsl. She has participated in design of combined effluent treatment plants for industrial areas also.