The acclaimed jazz ensemble, Natraj, seamlessly melds contemporary jazz and the classical music of India with traditional music of West Africa. Hard-driving African grooves and graceful Indian ragas meet in the band's expansive conception and disciplined ensemble playing. DATE: Friday, March 28th, 2003 TIME: 8:00 pm PLACE: Peter Norton Symphony Space, 2537 Broadway at 95th Street Tickets are available online at ashanet.org. In Advance: $21 ($11 with vali …