India, Oct. 16 -- There's no doubt that Akshay Kumar has had many popular songs in his filmography. And the latest number to be added to his 'hit song list' is the track Bala from his upcoming film, Housefull 4. Bala's becoming a rage among audiences and the actor has also been sharing the #balachallenge (people emulating the signature steps of the song) on his social media account. As per a source, the makers officially got the rights to remake song, which was originally composed by Tony Montana. "The approval process took about six months. However, after a long process, the cast and makers are happy with the reception to the track. Furthermore, the song was shot in just eight hours," the source adds....