Vastavam web: Bollywood Star Ajay Devgn is dubbing his voice for Mega Power Star Ram Charan Tej. It’s not for ‘Rangasthalam’ but it is for another film ‘Dhruva’.On the other hand Arbaaz Khan is lending his voice for Arvind Swamy. ‘Dhruva’ Hindi version is set to air on TV on this Sunday. While talking about this Ajay Devgn said that “This channel is official home all my films. It is known that Tollywood films are getting huge viewership when they are aired on TV channels.