After conquering every peak possible in the Hindi charts, composer-cum-singer Himesh Reshammiya has now set his sight and sound southwards.

He's signed up his first Tamil-Telugu feature film "Dasavataram" featuring Kamal Haasan who will play 10 different roles in it.

"So I guess I'll have to work 10 times harder," joked Reshammiya.

"But seriously Kamal-ji is such a legend. He is the only reason why I have chosen to go southwards at a time when I have so much on my plate in Bollywood. A film featuring Kamal Haasan can't be dubbed a regional film," Reshammiya told bollywoodcountry.com.

V. Ravichandran, who recently did "Aparachit", produces the Tamil-Telugu film.

"And they are making the film on a lavish scale, no expenses spared. I think I am the only Bollywood composer to be going south," said Reshammiya, forgetting that Vishal Bharadwaj did a south Indian film called "Dayaa" at the peak of his career.

Reshammiya will have to take the help of a translator to get the nuances of the Tamil and Telugu right.

Meanwhile, he is also very excited about the success of his latest soundtrack "Ahista Ahista".

"Many years ago Khayyam saab had done a beautiful score for the same producers entitled 'Ahista Ahista'. I can't match up to that score. But I have done my own thing."

Incidentally, Anu Malik was asked to take up the Khayyam challenge in "Umrao Jaan" even as Reshammiya had to live up to the "Ahista Ahista" magic of Khayyam.