One of the most famous and renowned singers of Bollywood Sonu Nigam had underwent a knee surgery recently. From last November the singer had a painful knee and thus, he underwent a surgery just couple hours ago.

Replying to singer Rahul Vaidya's tweet who wished a speedy recovery, he replied, "Abhi to bistar ka aanand uthhaa rahaa hoon Rahul.. Kind of enjoying.. Lots of love and thanks."

Sonu Nigam and Mika Singh were supposed to perform together however, due to his surgery Sonu's couldn't join him. Wishing luck to Mika Singh he tweeted, "Wish I could have joined u in the video, but for the surgery. Chalo Chhota bhai maidaan akele sambhaal lega. ;)"