Sports News. Niharika, who learned karate for the purpose of self-defense, is MP karate champion since 2011. 23-year-old Niharika has won medals 10 times her age. So far, Niharika, who has played in 9 international competitions in other countries including Indonesia, Egypt, England, Turkey, has won 6 medals including 5 gold for India. Along with hard work to reach the international level, he also had to face the taunts of the society. But he did not lose courage and finally proved his worth by winning 5 gold medals for India. Those who used to taunt yesterday, today advise their daughters to be like Niharika. Niharika has now become famous as Iron Girl of Gwalior.