Bollywood superstar Salman Khan showed his lighter side with a funny and heartfelt birthday post for his brother-in-law, Atul Agnihotri.

On the occasion of Atul`s special day, the `Dabangg` actor took to Instagram to share a candid picture. The photo showed Atul fast asleep on his wife Alvira Khan`s shoulder. However, it wasn`t the picture but the caption that truly caught everyone`s attention.

Salman wrote, "Happy birthday Atul my bil means brother in law. Thank u for taking care of my sister I love u man. Best husband n father now can u plz be u the man I knew, 1 day I vil be the Man U r. Wake up brother."