[Class : 37] Erecting, Installing, Testing, Commissioning, Re Building, Cleaning, Maintaining, Operating, Repairing Plant And Machinery Including Air Conditioning And Refrigerating Apparatus; Plant & System; Water Supply & Treatment, Effluent Treatment, Apparatus, Plant And System; Pumps; Mining & Construction Equipment And Machinery, Plant And System; Material Handling Equipment And Machinery; Textile Machinery; Textile Machinery And Machine Tools, Installation, Maintenance, Repair Activities, Erecting, Testing, Commissioning, Rebuilding, Cleaning, Rendering The Aforesaid Services In Respect Of Plant And Machinery Including Air Conditioning And Refrigerating Apparatus, Plant And Systems, Building Construction; Repair; Installation Services; Designing, Supplying, Erecting, Installing, Maintaining, Testing, Commissioning, Re Building, Cleaning, Operating, And Repairing Plant And Machinery Including Air Conditioning And Refrigerating Apparatus; Construction Consultancy; Construction Engineering Services [Construction Consultancy]; Construction Management [Supervision]; Construction Project Management Services [Construction Drafting, Design And Planning]; Installation, Maintenance, Repair And Reconditioning Of Industrial Machinery; Mining Services; Mining Extraction Services.