Dr CS Grewal is currently associated as Consultant hepatology and Interventional Gastroenterology at SPS Hospital. He has completed MBBS from SGRD Institute of Medical Sciences & Research, Amritsar; MD (Internal Medicine) and DM (Gastroenterology) from Dayanand Medical College and Hospital. Following which he did fellowship from Medanta- The medicity, Gurgaon, India. Apart from this he cleared European Speciality Certificate Examination in Gastroenterology & Hepatology.
Dr Grewal has received Gold medal in Biochemistry (MBBS), second prize in physiology (MBBS) and first prize in ECG quiz conducted at SGRD, Amritsar.