<BODY><P>Vaasan Karthik's next movie </P> <P>Vaasan Karthik, a newcomer and son of&nbsp;popular comedian Singamuthu, has signed up for his second movie, <EM>Aara</EM>. His first movie was <EM>Maamadurai.</EM></P> <P><EM>Aara </EM>is directed by Parthi