[Class : 42] Engineering And Engineering Work, Environmental Engineers And Project Developers, Engineering Project Studies, Research And Development Of New Products, Scientific And Industrial Research, Energy Efficiency, Renewable Energy, Clean Development Mechanism, Carbon Trading, Capacity Building For Environmental Management, Environmental Auditing, Resource Planning & Management, Environmental Research And Development, Project Document Preparation, Project Design Documentation, Environmental Impact Assessment, Resource Conservation, Water Shed Development, Tree Plantation, Municipal Solid Waste Management, Bio Remediation Of Air Water & Soil, Environmental Management Information Systems Development, Environmental Education, Environmental Monitoring, Operation And Maintenance Of Effluent Treatment Plant, Urban Development Planning Included In Class 42.