'Chammak Challo' also entered the Top 10 'World Songs' list of iTunes in eight countries, reaching No. The song also topped the MirchiTop 100 charts as the song of year. It was rated as the best item number of 2011 in a Mid Day poll.

The song was named the most downloaded song and video of the year in India in a survey by wireless telephone major Airtel. 'Chammak Challo' was dubbed as the 'trademark of Ra.One's publicity campaign'. However, the song faced controversy when the rough version was leaked on the Internet on. The song, along with the rest of the soundtrack, was officially released on 12 September 2011.

There are four other versions of the song in the album, including a remix by Abhijit Vaghani, another remix by DJ Khushi and an international version sung solely by Akon. It is Akon's first musical collaboration with Indian artists. 'Chammak Challo' is a song performed by Akon and Hamsika Iyer, and composed by music director duo Vishal-Shekhar (Vishal Dadlani and Shekhar Ravjiani) and by Gobind Singh, as a part of the soundtrack for the 2011 Bollywood film Ra.One.

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