The Chennai-based doctor is a close friend of popular comedian Santhanam and has appeared in three other Tamil films after his first film.
Many Kollywood celebrities who frequently consult him at the 'Zi Clinic' shared their utter shock and disbelief at his sudden passing. Take a look:
Just before his death, Sethuraman has posted a status on his Instagram page. He shared a phone number for his followers to call up and set online consultations. Here's the status:

This is truly a tragedy and our deepest condolences to the family, especially his wife and baby daughter Sahana.
Source: Instagram & Indiaglitz
Photo Credit: Gramho