engagement of labors and labor & other construction related laws arbitration, conciliation and alternate dispute resolution methods general principle of contract management professional practice and ethics notes and in breif Mechanical systems in metro system and engineering electrical systems in metro system and engineering Signaling system in metro systems and engineering traffic management system in metro in details planning and development of metro systems Brief introduction to metro systems and its need, type,routing studies, basic planning and financial legal requirements of rules of various types of wastes sanitary landfills design operation and management hazardous waste treatment and disposal notes SOLID WASTE PROCESSING AND TREATMENT notes collection storage and transportation of solid waste 
