A UPVC Doors and Windows Manufacturing Unit is a small to medium scale enterprise that manufactures doors and windows using unplasticized polyvinyl chloride. The production process involves UPVC profile procurement cutting to size fabrication of frames assembling glass and fittings welding sealing quality inspection and packaging. UPVC doors and windows are valued for their durability, insulation, low maintenance, corrosion resistance, and aesthetic appeal making them suitable for homes, offices, hotels, and commercial buildings. The unit requires moderate investment in machinery such as profile cutting machines, welding machines, drilling and corner cleaning equipment, assembling tools, and packaging units along with skilled and semi skilled labor. With increasing construction activities, rising demand for energy efficient and low maintenance building materials, and awareness about modern interior designs, the demand for UPVC doors and windows is steadily growing. By producing high quality precisely fabricated and well finished doors and windows, the unit can achieve consistent demand, repeat orders, and good profitability, while also exploring opportunities for customized designs, branded products, and bulk supply to developers and contractors.