IN THIS PAPER, WE FINDING CONDITIONS ON THE TRIPLET (A, B, C) SO THAT THE function ZF(A, B; C; Z) IS STARLIKE IN D, WHERE F (A, B; C; Z) DENOTES THE HYPER GEOMETRIC function.ALSO THE GEOMETRIC PROBLEM OF STAR LIKENESS AND CLOSE TO CONVEXITY OF ZF (A, B; C; Z) IS STUDIED.