The Indian trio of Khalin Joshi, Rashid Khan and Shamim Khan fired opening round scores of five-under-67 on day two to join compatriots Jyoti Randhawa and Mukesh Kumar at the top of the leaderboard.
India's top player on the Hero Order of Merit Vani Kapoor sealed her 7th victory by picking up the title at the Hero Pro Tour Leg at Noida Golf Course.
If he can grab seven more birdies in the final round on Sunday, Lahiri will have set the all-time PGA TOUR record for total birdies in a 72-hole event.