Madhavan is attending physiotherapy sessions for his knee injury.
The actor injured his knee while shooting for 3 Idiots in 2009 and he again hurt his knee during the shoot of Tamil film Vettai.
He under went a knee surgery last year in Australia and is now recovering. However, the 41-year old actor regrets not listening to his doctor.
“Wish I had listened to my docs and taken a break earlier for my physiotherapy. Things would have healed so much faster. Big mistake,” tweeted the actor.