UPVC sliding windows have become a popular choice for homes and commercial buildings in Kolkata due to their durability, low maintenance, and suitability for humid coastal climates. However, one of the most common questions buyers ask is: What is the cost of uPVC sliding windows in Kolkata, and what factors influence the price? https://upvcdoorsandwindowsmanufacturers.wordpress.com/2026/01/07/cost-of-upvc-sliding-windows-in-kolkata-a-detailed-buyers-guide/