Annu registered a series of 96, 99 and 98 for a total of 293 points.
Xiu Hong Teh of Singapore was second with 291 while Scotland's Jessica Liddon was third as 288.
Heena Sidhu, the other Indian in the fray, was seventh with 286.
Heena struggled with her opening couple of shots with disappointing efforts of 95 and 93 before recovering somewhat with a 98 in her third and last attempt.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
This website uses cookies.