I am Rajan Kumar from India. I have done my Doctorate in Biochemistry from MRIIRS and Dr. RML Hospital, Delhi. I have recieved my B.sc (Galgotias University) and M.sc (CTM-IRTE, Affili. to MDU, Rohtak) in the field of Forensic Science. I have publsihed two Review and two book chapters in reputed Journals. My research in Ph.D. accentuates to find out the role of Micronutrient in Gut dysbiosis, Sarcopenia, and Ulcerative Colitis. My research area revolves around Fingerprints, Post-Mortem Interval, Microplastics, Toxicology, Gut microbiota, Biomaterials.