Dehradun : Uttarakhand will host the 6th World Congress on Disaster Management in Dehradun from November 28 to December 1 to deliberate on modern technologies for disaster risk mitigation.Chief Minister Pushkar Singh Dhami on Tuesday said the congress will see the participation of disaster management experts from different countries and across India. “Disaster risk reduction had emerged as a major issue in the recently concluded G20 Summit and the forthcoming World Congress on Disaster Management is being held to discuss modern methods to take on the challenge,” Dhami said.