Dr. Sunil Gulia is currently working as Senior Scientist in CSIR-NEERI Delhi Zonal Centre. Dr Gulia has more than 10 years of working experience in field of air pollution while working on CRRI, IIT Delhi and NEERI. He completed his PhD in area of urban air quality modeling and management from IIT Delhi. He has published more than 35 research articles in peer reviewed journals and conferences at national and international conferences. His area of interest is urban air quality management, air quality modelling, source apportionment Environment Impact Assessment. He has sound knowledge of many air quality models such as CALPUFF, AERMOD, ISCST3, CALPUFF, ADMS-Urban, CALINE 4 etc.