Dr. P. Mahalingam believes his life's purpose is to make the benefits of informed medicine readily available to any person in need of it. This has fueled his passion to invest time and effort in helping to further establish a healthcare system that can attend to the needs of our fast developing country. Under the banner of the Santosh Group of Institutions, the group has establishments at Chennai, Tamil Nadu and Ghaziabad (Delhi NCR). They are attended to by doctors of various specialties-General medicine, Obstetrics and Gynaecology, General Surgery, Paediatrics, Dermatology, Nephrology, Vascular Surgery, Psychiatry, Cardio Thoracic Surgery, ENT, Urology, Gastroenterology, Neuro Medicine and Surgery, Oncology, Psychology, Plastic Surgery, Diabetology, Anesthesiology, Dental, Oro Facio Maxillary Surgery, Pulmonology, Orthopedics and Rheumatology. The hospital at Ghaziabad provides care to about 750 inpatients simultaneously as the hospital's state-of-the-art equipment and its dedicated doctors and paramedics work in unison to provide effective care.