Development, Operation And Maintenance Of Wayside Amenities 4 O-M Sites In Karnataka And 3 O-M Sites In Telangana, 4 O-M Sites In Tamil Nadu And 8 O-M Sites In Andhra Pradesh 19 O-M Sitesnh16/ 66-800 A1-A2/ Lhs/ Devrapalli Byepass/ Andhra Prade