Devaaj Invisible Grilles are an upgraded innovation as the best alternative to traditional grilles used for windows, balconies, and any other home structure, especially in high rises. We, The Devaaj are Inspired by Singapores invisible grilles and making high-quality, durable, and robust products for you. If you are dreaming of installing an invisible grill for the balcony, then you dont have to deal with any outside country. We are available with an invisible grill in Mumbai.