supply, installation , testing and commisioning of gps based publicaddress & passenger information system (papis) and led destination board to specrdso/cg- 18001(rev.1) in garibrath coaches. fitment of destination board shall besunk-in type and clause 14.6.2, sl.no.(a) of rdso specification rdso/cg-18001 rev-01shall be applicable.ie one line.