“Deployment Of Security Guards On Labor Contract Basis On Two Bid System In Connection With “Civil, Structural & Ug Works Including Piling – Part-B” For Pdh-Pp Plant With Ethane And Propane Storage And Handling Facilities At Dahej, Gujarat.” Deployment Of Security Guards On Labor Contract Basis Under 'Two-Bid System' In Connection With "Civil, Structural And Ug Work (Including Piling) - Part-B" For Pdh-Pp Plant (Comprising Ethane And Propane Storage And Handling Facilities) At Dahej, Gujarat.