DR. NEBU ISSAC MAMMEN, Professor, and HOD of the Department of Urology has been working in Pushpagiri Medical College Hospital since 1997. He completed his MBBS, MS (Gen. Surg) and MCh in Urology, all from the prestigious Christian Medical College Vellore in 1992. He has developed the department into a state-of-the-art centre of excellence for treatment of urinary stones. He has been doing kidney transplants since 2007.