from Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Coimbatore, affiliated to the University of Madras in 1978 at age 19.
After graduating in 1978, Velumani began with a job in 1979 at Gemini Capsules, a small pharmaceutical company in Coimbatore, Tamil Nadu as a shift chemist.
He later was posted at the Radiation Medicine Centre (RMC), a BARC department at Tata Memorial Hospital in Parel, Mumbai, Maharashtra.
[5] Under his leadership Thyrocare became the largest thyroid testing laboratory, with a network of more than 1000 outlets across India, Nepal, Bangladesh and the Middle East.
[6] Velumani is the founder and managing director of Nueclear Healthcare Ltd. a radiology diagnostics company with its main branch at Navi Mumbai, Maharashtra.