Bidding at a necessary time for the changing business where customers select a most proper contractual authority for execution of their related progression meanders at concurred cost. This system is as frequently as could be expected under the circumstances a natural technique which uses regard setting and viewing of declaration in a most charming way. The choice of a good contractual worker is a central section for the accomplishment of any change meander. The bidding strategy requires data trade the focal point of customer and bidders at a setting of costs and headway of affirmation consent to execute the works.