Smriti Mehra was behind her by two strokes in the INR 7,00,000 event, being played at the Classic Golf & Country Club.
Kiran played a cautious even-par front nine. However, she turned up the heat in the latter half, firing five birdies on the 10th, 11th, 13th, 15th and 18th holes.
In the process, the Indian origin English golfer, who has played in the Ladies European Tour, also recorded the lowest round of the season.
Pune's Shweta Galande and Noida's Vaishavi Sinha are tied for the third spot with identical scores of 2 under 70 after the first round. Shweta carded three birdies on the 5th, 10th and 14th holes while dropping just one shot on the 17th hole.
Neha Tripathi played a round of 1 under 71 with birdies on the 3rd, 5th and 9th holes. She also carded bogies on the 2nd and 16th holes to be placed fifth after the first round.
She is followed by Hero Order of Merit leader Vani Kapoor who carded a par 72 on the day. Vani played a cautious round, carding birdies on the 9th and 18thholes. Her lone blemish on the day was a double bogey on the 8th hole. She is followed by Priya Puri and Delhi's Mehar Atwal, who are placed seventh and eighth respectively after the first round.