<BODY><P>Feroz Nadiadwala signs Prakash Jha, Sai Paranjpye </P> <P>The producer of such outlandish escapist dramas as <EM>Hera Pheri, Awara Paagal Dewaana</EM> and <EM>Fool And Final</EM>, is turning over a new leaf. Feroz Nadiadwala has decided to&nbs