Amandeep Drall, who finished Tied-7th, Vani Kapoor at Tied-18th and Neha Tripathi at Tied-25th earned full cards for the Tour in 2017.
Another two players, Sharmila Nicollet at Tied-41st and Saaniya Sharma at Tied-47th will get limited status, which means they will also get some starts, but fewer than the others.
That brings the total number of Indian women on LET to six -- four with full status and another two with limited status.
Kapurthala golfer Drall, who led after two rounds, finally finished Tied-7th with cards of 66-68-71-72-71 and a total of 13-under 347 in five grueling rounds.
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Vani Kapoor, despite a disappointing final round of four-over 76, totalled five-under 355 and finished Tied-18th, while Neha Tripathi (71) turned in a birdie-birdie finish to be three-under 357 and Tied-25th.
Considering that women's professional golf is still in its nascent stage and Hero Women's Indian Open being the only world-class event in India, this is a giant leap for Indian women's golf.
Madelene Sagstrom of Sweden carded 68 and went on to win the top spot at 17-under 343 and Iceland's Valdis Thora Jonsdottir (68) was second at 15-under 345.
Celine Boutier of France, who led for most of the tournament, faltered on the final day with a round of 75 and ended Tied-third, but qualified safely for a full card for 2017.