uPVC & Aluminium Windows, Doors Manufacturer Supply in India - Fenesta. Fenesta is the largest uPVC and Aluminium Windows & Doors manufacturer & supplier in India. It has installed 2.5 Million uPVC French Windows & Doors across nearly 200,000 homes. You can explore millions of design range here for your modern windows and doors. Get a Quote Now ✅ Call us @ 1800-102-9880.