"Dr. Rattan Singh is affiliated to Legal Studies, Panjab University, where Dr. Rattan Singh is currently working as Professor. Dr. Rattan Singh has authored and co-authored several national and international publications and also working as a reviewer for reputed professional journals. Dr. Rattan Singh is having an active association with different societies and academies around the world. Dr. Rattan Singh made his mark in the scientific community with the contributions and widely recognition from honourable subject experts around the world. Dr. Rattan Singh has received several awards for the contributions to the scientific community. Dr. Rattan Singh major research interest involves Constitutional Law, Administrative Law and Research Methodology. "