Seema ran away with the gold with a best throw of 61.03m in the women's discus throw final while team-mate Krishna Poonia finished fourth with a below par 55.57m at the Incheon Asiad Main Stadium here.
Prior to Seema's golden throw, women's metric miler O P Jaisha and men's 3000m steeplechaser Naveen Kumar picked up a bronze each to boost the country's medal tally from athletics to eight from three days.
China's Lu Xiaoxin took the silver in 59.35m while her compatriot Tan Jian, who finished sixth in the last two World Championships, bagged the bronze with a throw of 59.03m.
Seema, who became emotional during the medal ceremony, told reporters that she had been waiting for this moment over the last three years.
"I usually don't perform well in my first throw. But I followed my coach's instructions today to hurl the disc past the 55m mark with my first attempt," she said.
She said her silver medal in the Glasgow CWG "motivated me to go for the gold here."
Asked whether the damp weather conditions affected the athletes in any way, she said, "I wish I had brought two extra pairs of shoes."
