This invention relates to a multi-layered polycarbonate greenhouse for efficient early nursery raising of various crops at sub-zero temperature comprising of a truss-type structure having an orientation to receive maximum sunlight during the day-time in which the structure holds on the posts with cemented blocks/stone foundation wall and is covered with U.V stabilized multi-layered polycarbonate sheets wherein the structure is provided with atleast one movable window, door and gate, ventilators and tunnel.