He has more than 25 years of experience and is currently the Chief Nephrologist at Fortis Hospital Anandapur in Kolkata. Dr Arup Ratan Dutta specializes in Dialysis and Transplantation. Dr Dutta is also credited for introducing Chronic Peritoneal Dialysis, CRRT and Plasmapheresis in the country. Since his main focus is the quality of Dialysis, many of his patients have been able to survive on long-term (read 10 to 12 years) dialysis.