Gulfam (75-68) shot the day's best score of four-under 68 which featured five birdies and a bogey. Harish K (70-73), on the other hand, carded a one-over 73 that included three birdies and four bogeys.
Amateur Arjun Prasad, who recently earned his Asian Tour card, was in tied third at even-par-144 along with Vijay Kumar, C G Somiah and P Prabhu.
Kolkata's Nur Hossain Sardar fired a hole-in-one on the 11th during his round of 71. He was placed tied 12th at two-over-146.
At the end of round four, the top 39 players (+ ties) will earn full cards for the 2017 PGTI season.
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