Committed to Renal replacement therapy in the form of maintenance haemodialysis, continuous ambulatory peritoneal dialysis and renal transplantation. Follow-up of over 3000 renal transplantations since 1985 along with Dr. C.M. Thiagarajan. Interventional procedures such as creation of vascular access for haemodialysis and continuous ambulatory peritoneal dialysis (CAPD) catheter insertion for immediate peritoneal dialysis. Diagnostic procedures including kidney biopsy, liver biopsy, peritoneal biopsy and pleural biopsy with experience spanning three decades.