Clearing, Uprooting, Cutting and Grubbing their Roots of grass and Vegetation of Switchyards and surroundings of Sub-Stations at Bhaktapur, Patan, Chabahil, Balaju, Matatirtha, Suichatar, Baneshwor, Chapali, Banepa, Panchkhal and Lamosanghu Sub-Stations.