Putting up a clinical performance against two-time former Games champion and top-10 player Ong Beng Hee of Malaysia, the Kolkata-born Ghosal surged to a commanding 11-9 11-4 11-5 semi final victory in 45 minutes to make the men's final at the Yeorumal squash courts.
The 28-year-old Ghosal thus avenged his defeat against the wily Malaysian in the 2006 Asian Games at Qatar where Beng Hee went on to win the gold and defend the crown he won for the first time in 2002 at Busan.
Ghosal will meet Abdullah Al Muzayen, the world no. 46, in the gold medal contest tomorrow following the Kuwaiti's 3-2 (6-11, 11-8, 4-11, 11-6, 11-8) win in the other semi final against Max Lee of Hong Kong.
The Indian led 6-1 in the opening game before his 34-year-old opponent bridged the gap. Ghosal managed to keep his cool and captured it.
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In the second game, the Indian was 8-4 up with some superb play and then won it without conceding another point.
The script went on similar lines in the decider too as Ghosal jumped to an 8-4 lead before the Malaysian won a point. But the Indian snatched back the initiative and then killed the contest with a forehand winner.
Ghosal's win compensated for the straight game defeat suffered by India's no. 1 women's player Dipika Pallikal against world no. 1 Nicol David of Malaysia in the women's semi final.