ObituaryHe reportedly passed away after a cardiac arrest.Tnm StaffWell-known dermatologist and actor Dr Sethu Raman passed away in Chennai on Thursday night after a cardiac arrest. He was 36. The doctor, who ran Zi Clinic, in Alwarpet was known for movies like Kanna Laddu Thinna Aasaiya, Vaaliba Raja, Sakka Podu Podu Raja, and 50/50. Sethu Raman was a close friend of comedian Santhanam and that's how he entered the Tamil film industry. He is survived by his wife and child. After the news broke, several took to social media to share their shock and grief at the doctor's unexpected death. Actor and politician Khushbu Sundar said that he was her dermatologist and added that he was "smiling and soft-spoken" always. She also changed her display picture to Sethu Raman's photograph to pay her tribute. Completely shell shocked n saddened to know #DrSethuraman is not with us anymore..a very young life gone too soon.