Shiraz, an 8-handicapper, capitalised on her display from the first two days to carve out a nine-stroke gap over Dhanalaxmi Rice and the top position.
Dhanalaxmi (10-handicap) had a round 84 today, leaving her with a total of 253.
Lalita Balasubramaniam (13-handicap) held on the third spot with a score of 261 while 9-handicapper Himadri Singh ended 4th with a total of 264.
Shiraz threatened to implode when she finished the outward nine with a total of nine-over 45 but managed to hold her nerve to have a steadier return nine of four-over 40 to stay ahead.
A total of 73 Indian and foreign amateur golfers are in the fray for this prestigious and popular amateur tournament.
