Comprehensive AMC for IPIS System ( viz. Central Data Controller, Coach Guidance System, Central Data Switch, Platform Data Controller, At a Glance Display Board, Platform display board, Train indication board etc. ) of Bhilai Power House ( BPHB ) station of Raipur Division by OEM ( M/ s Infosoft Digital Design & Services pvt Ltd, New Delhi ) for the period of thirty six months ( Three years ) through a single tender basis with OEM or authorized dealer of OEM.