Chandni Nigam was struck by a train at Tywford railway station October 2013 . Teenager 's inquest heard she was obsessed with performing well at school . Court told she would stay up late studying resulting in sleep deprivation . Her father said she first told her parents she was suicidal in last year .
Chandni Nigam was struck by a train at Tywford railway station last year . Teenager 's inquest heard she was obsessed with performing well at school . Court told she would stay up late studying resulting in sleep deprivation . Her father said she first told her parents she was suicidal in October 2013 .