Amrit Bharat Station Scheme (ABSS) is the world’s biggest railway station redevelopment programme and any programme of this size has never been taken up in history, Railway Minister Ashwini Vaishnaw told media persons on Monday. While providing to the media an update of the ongoing work under the scheme, he praised Prime Minister Narendra Modi for laying the foundation stone for 553 stations and inaugurating a station which has been redeveloped under the scheme. Besides, Prime Minister Modi also inaugurated or laid the foundation stone for 1500 road-over-bridges (ROBs) and underpasses.