Dr. Lahiri has experience of more than 20 years in the field of interventional cardiology. He has done more than 2000 coronary angioplasties to his credit. he is a pioneer in doing coronary angiography and angioplasty from the arm (radial route) which facilitates early recovery of patients and thus decreasing hospital and improving patient care. He is versatile in his field and is an expert in pacemaker implantation, ICD implantation, arrhythmia management, carotid angioplasties, renal angioplasties. Apart from his work experience, he has knowledge for writing papers in national medical journals. He has is an eminent speaker and has participated as faculty in national and international cardiology conferences.He is a lifetime member of the Cardiology Society of India, a member of National Academy of Medical Sciences, a member of American College of Cardiology and Indian Medical Association.