At the 7100-yard Eagleton Golf Club, the 16-year-old Gill, who also won the North Zone qualifiers this season, started from the 10th and was one-under for his first nine holes with two birdies on the 13th and 18th.
On his second nine, the front side of the course, Gill dropped a bogey on par-4 seventh and finished one-over and a day's work of 72.
All three shot 73.
Tapendra Ghai, Manu Gandas and Varun Pariskh carded 74 each in tied fifth place.
In Category B, Arjun Prasad led the field with a card of 75 that had three bogeys and no birdies, while Tanvir Kahlon and Kartik Sharma carded 77 each in tied second place.
