Digging of Water Absorption Trench (WAT) without Trimming, involving earth work excavation of peripheral trench or water absorption trenches without trimming involving earth work excavation by the excavator with shovel 0.50 cum capacity in all kinds of soil including boulders up to 0.30m diameter leaving the berm of 1.00mx2.00mx3.00m) size or 7.50 cum per running meter or 7500 cum per kilometre in Araku(T) range of Paderu Division during 2017-18