Chiranjeevi starrer Khaidi No 150 has maintained the momentum that it has created. The makers are busy preparing for the pre-release event that will be held on 4th January. Amidst that the fourth single of the film will be released as a New Year treat for the fans. 

The fourth song to be unveiled will be ‘Rathalu Rathalu’. This song will be out on 31st December along with the complete album of the film. Starring Chiranjeevi along with Kajal Agarwal, this film is a remake of Tamil film Kaththi. V V Vinayak has directed this film, which is produced by Ram Charan.