A National Green Tribunal-appointed high-level committee has ordered that a pilot project be started in Delhi's west zone and Dwarka areas to install GPS devices in waste collection vehicles and monitor them, officials said. The first meeting of the committee for monitoring the management and disposal of municipal solid waste, headed by Lieutenant Governor V K Saxena, was held on April 25. The committee was constituted by the NGT in February. During the meeting, the committee decided that a project be started on a pilot basis in the west zone and Dwarka where cleaning and waste collection starts at 5 am, Raj Niwas officials said.