1) it is unfortunate that your father legs a had to be amputated as he met with accident while crossing tracks
2) railways decline to pay as injury is resulting from "carelessness or negligence",
3) in railway platforms notice board is displayed warning commuters not to cross tracks
4) further announcements are made on public address system not to cross tracks
5) yiu can seek compensation under provisions of section 124A from the railways for the untoward incident but the railways may refuse to pay as accident has arisen on account of your father criminal act , negligence in crossing railway tracks