Dr. Raina has established clinical excellence over nearly three decades through leadership in diverse specialties, including creating gastroenterology services in major ESIC hospitals and introducing diabetic care clinics. He balanced academic roles with healthcare innovation, leading endoscopy, internal medicine, and metabolic disease programs. His strategic healthcare training (IIM Ahmedabad) and research credentials (ICMR) reinforce his institutional leadership philosophy. A mentor and systems builder, he now heads the Department of Medicine at Amrita, setting high standards for multi-disciplinary care.