“Tauba tera jalwa, tauba tera pyaar… Tera emosanal attyachaar!” 

A decade post the release of Dev.D's most popular song, Emotional Attyachar, a Twitter user found out that Nawazuddin Siddiqui was one of the singers in the song's video. 

Did you know this? Because some were today years old when they realised this... 

Guess now y'all will love this song even more, haina? Now, tag your friends and check their observational skills!