Tubelight is set in 1962 and tells the story of one man's unshakable belief in himself and the love for his family.
In a small picturesque town of North India, lives Laxman (Salman Khan), with his younger brother Bharat (Sohail Khan). The two have no other family and are inseparable. Laxman is a simpleton and is unique in the way he sees the world around him. His brother, Bharat, is fiercely protective of him and the two share a deep bond.
Laxman's world comes crashing down, when war breaks out and Bharat gets drafted into the Army. A helpless Bharat leaves a devastated Laxman behind. News from the border only worsens, as the tension continues to escalate. Seeing the carnage around him and worried for his brother, the simple - minded Laxman decides he must stop this conflict and get his brother back.