New Delhi, Nov. 28 -- The legendary P.T. Usha is set to become the first woman president of Indian Olympic Association (IOA) as she emerged as the lone candidate for the top post for the December 10 elections.The 58-year-old Usha, a multiple Asian Games gold medallists and a fourth-place finisher in the 1984 Olympics 400m hurdles final, filed her nomination papers for the top job on Sunday along with her team for the various posts.The deadline to file nomination papers for the IOA elections ended on Sunday. IOA elections returning officer Umesh Sinha did not receive any nominations on Friday and Saturday but 24 candidates filed nominations for various posts on Sunday.Ms. Usha, a top sprinter in her heyday, has also been elected as one of ...