Complex sentence: Tintu Luka is an athlete from Kannur, Kerala, India who is trained by P.T.Usha from PT Usha School of Athletics, Koyilandy (in Kerala), and she is supported by Olympic Gold Quest.
Split into simpler sentences: Tintu Luka is an athlete from Kannur, Kerala, India. She is trained by P.T.Usha at Usha School of Athletics, Koyilandy and is supported by Olympic Gold Quest.