The 25-year-old, who made her Olympic debut, sent a 64-meter discus in her third and final attempt.
Discus thrower Kamalpreet Kaur was one of the best Indian track and field athletes at the Olympics in the qualifying round. She reached the final of the Tokyo Games after finishing second on Saturday.
Kaur, 25-year old, competed in Qualification B, sending Discus 64m in his third and final attempt, just one of the two automatic qualifiers for the final round, the other being American Valerie Allman (66.42m).
Gold medalist Sandra Perkovic of Croatia (63.75m) and Cuba were ahead of current world champion Yim Perez (63.18m). Perkovic was third and Perez was seventh.
She is the second Indian woman to reach the discus throw final at the Olympics after Krishna Poonia in 2012.
Kaur started with an effort of 60.29 meters and then improved it to 63.97 meters. Each contestant gets three throws. The best performers reach the final in two qualifying rounds of 64 meters or at least 12 athletics.
However, veteran Seema Punia exited Qualifying A after finishing sixth and 16th overall with a best throw of just 60.57 meters.
Kaur, from Punjab, has been in great form this year as she recently crossed the 65m mark twice. She broke the national record at the Federation Cup in March by throwing 65.06 meters and becoming the first Indian to cross the 65 meter mark. Then in June, she broke her national record by throwing 66.59 meters during the Indian Grand Prix-4 and finished sixth in the world.
Season leader Jorinde van Klinken of the Netherlands failed in the final round with a short throw of 61.15 meters. Her season best was 70.22 meters while Alman was second this year with 70.01 meters.
Poonia, who booked her Olympic berth at the last minute, is far short of her season and personal best points. She fouled her first throw and covered 60.57 meters and 58.93 meters in her next two attempts, her last Olympics.
The 38-year-old Haryana athlete threw 63.72 meters at the National International Championships in Patiala on June 29 and qualified for the Olympics on the qualifying day. His personal best was 64.84 meters. Rebuilt in 2004.
She only returned to action this season after participating in the 2018 Asian Games in Jakarta, where she won a bronze medal. Poonia is training outside the national camp, mostly in Russia and neighboring countries. She came to Tokyo with her personal coach Alexander.