In what year was the well known Indian athlete whom O. M. Nambiar coached born?
P. T. Usha Pilavullakandi Thekkeparambil Usha (born 27 June 1964), popularly known as P. T. Usha, is a retired Indian track and field athlete. She has been associated with Indian athletics since 1979. She is often called the "queen of Indian track and field". She is nicknamed as the Payyoli Express. Currently she runs the Usha School of Athletics at Koyilandy in Kerala.
K. M. Binu Kalayathumkuzhi Mathews Binu (born 20 December 1980) is an Indian track and field athlete from Kerala who specializes in 400 metres and 800 metres. He holds the current 400 metres national record of 45.48 s set at the 2004 Athens Olympics on 20 August 2004. He broke the 44-year-old Olympics mark (by an Indian) held by Milkha Singh who set an Indian National Record with a timing of 45.73 s at the 1960 Rome Olympics. He and his elder sister K. M. Beenamol made history when they became the first Indian siblings to win medals in a major international competition. They won medals at the Busan Asian Games (2002). While Binu won the men's 800 metres silver, his sister won the gold medal in the women's event. Binu received the Arjuna Award for the year 2006 for his achievements in the Indian athletics.