Kashmiri king Avantivarman ruled during the 9th century CE and is known for his contributions to the cultural and political landscape of Kashmir. He established the Utpala dynasty and is credited with promoting trade, agriculture, and the arts, which helped to enhance the prosperity of the region. Avantivarman is also recognized for his efforts in building infrastructure, including temples and irrigation systems. His reign marked a period of stability and growth, allowing Kashmir to flourish as a center of learning and culture in ancient India.