Starting the day tied with Aditi at six-over 148, Amandeep won the first play-off hole to take the title after both were tied at 76 for the day and 11-over 224 total for three days.
Millie Saroha (75), who needed a birdie on the 18th hole in regulation play, managed only a par and ended third at 225.
Former Asian Games 800m gold medalist, Charles Borromeo of Tata Steel, was the chief guest and he gave away the prizes at the Golmuri Golf Course.
Seher Atwal, who played a fine final round of 74, was fourth at 229 alongwith Gurbani Singh (76). Ridhima Dilawari (75) was sixth at 230 while Gursimar Badwal (75) and Raksha Phadke (82) tied for seventh at 233. MORE