Dr. Arun qualified in 1988 from the University of Madras and completed MD from the University of Bombay in 1994. He completed the Obstetrics & Gynaecology Specialist Registrar training programme in Manchester, 2002. He further specialised in Urogynaecology and Reconstructive Pelvic Floor Surgery at Torquay in 2001-02. He obtained Fellowship of the Royal College of Obstetricians & Gynaecologists, London in 2009. He received his Fellowship of the Royal Australia and New Zealand College of the Obstetricians & Gynaecologists in 2015.