v Senior Engineer/ Project Manager A Project Manager is the highest authority at the site and responsible for planning overseeing and leading the project from idealization through to the completion. v Site Engineer A Site Engineer is a professional who provides technical advice and manage construction site with his skill and experience to guide site workers/crew members. v Contractor Contractor is a person syndicate or firm (other than a Govt. servant ) giving an undertaking for the execution of work or supply of materials or performance of any service. v Mistri Misrty or Mistri is a word used for the master craftsman, foreman in India. v Mason/labor Labor refers to mental or physical work, especially that which is hard or fatiguing like to move some construction material from one place to another.