Eros International & R.Balki`s Shamitabh is fast becoming the most sought after film of next year with some of the biggest names in the industry making special cameos in the film.

What`s more is that actress Shruti Haasan will now be lending her voice for a song in the film, for her younger sister Akshara Haasan who will make her big Bollywood debut with Shamitabh.

Sources reveal that Shruti will be singing a romantic song in the film ,whose music has been composed by veteran Ilaiyaraaja, possibly the greatest music composer this country has seen.

Written and directed by R.Balki, with cinematography by the legendary PC Sreeram who shot Nayakan, Agni Nakshstram, Alaipayuthe(original of Saathiya)besides Balki's Paa and Cheeni Kum,Shamitabh starring Amitabh Bachchan, Dhanush and Akshara Haasan will release 6th February 2015.