Yes, Indias Devli Green Quartzite can be used outdoors as it is a durable and weather-resistant natural stone. Quartzite is known for its hardness and density, making it suitable for high-traffic areas and harsh outdoor conditions. It can be used for various outdoor applications such as paving, wall cladding, and landscaping. However, it is important to ensure that the proper installation and maintenance procedures are followed to ensure longevity and prevent damage to the stone.