He received his MBBS from Government Medical College Hospital, Trivandrum and his MD from Medical College, Kottayam, Mahatma Gandhi University, India. He completed his residency training in the United Kingdom, Cambridge Deanery, at National Health Services Hospital System. Dr. Tharian completed fellowship trainings in Gastroenterology, Hepatology, and General Medicine in the UK, and Advanced Endoscopy at Florida Hospital in Orlando, FL. He is a member of the Royal College of Physicians of London, Royal Australasian College of Physicians, and the American Society for Gastrointestinal Endoscopy.