Jammu, Sep 12 (ANI): Educational institutions in the Jammu division, except those serving as relief camps for flood-affected people, reopens on Friday as the level of flood water receded in flood ravaged Jammu and Kashmir. The Divisional Commissioner sent a circular asking the Jammu division to open all educational institutions. Earlier on Thursday, India Air force officials conducted aerial survey of devastated Jammu region to assess the damage. Indian Air Force official, Prashant Patange, said more than 70 aircrafts were flying over the flood-hit areas to provide relief and pull out stranded people. Meanwhile, the 300-km-long Jammu-Srinagar National Highway was closed for traffic due to landslides at various places in Ramban district of the state. The movement of traffic on the highway was suspended due to landslides at Nashri and Khoni Nullah in Ramban district.