Delhi Lt. Governor Anil Baijal on Saturday ordered the setting up of a separate company under the Delhi Development Authority (DDA) to manage Delhi's biodiversity parks in a focused and sustained manner.Baijal's direction came after he visited the Yamuna Biodiversity Park, a green initiative of the DDA.He said both the Yamuna and the Aravalli Biodiversity Parks have been providing ecological services to Delhi and need to be preserved."Yamuna Biodiversity Park is a unique urban landscape, contributing towards preservation of our natural heritage including vanishing flora and fauna," Baijal said."There is an urgent need to revive the lost eco-systems of our pristine River Yamuna," he added.The Lt. Governor was accompanied by his wife Mala Baijal, DDA Vice Chairman Udai Pratap Singh and environmentalist C.R. Babu.