Hiring of Consultancy Services for Comprehensive Architectural, Civil Engineering Services, Topographical Surveys, Geo Technical Investigations, Structural Designs, MEP Services for Preparation of Master/Site Plans, Concept Plans, Designs of Landscaping/Horticulture, Designs of Internal Roads, Design of Signage/Graphics/Markings, Detail Structural and Working Drawings of all the related Civil Engineering Structures , Cost Estimates, Occasional Site Visits as and when asked/desired by OIL and other related services etc. for Designing of Office Building Infrastructure for Security Department in OIL Duliajan