The groundwater resource of our country is now under serious threat due to over-exploitation, pollution, industrialization and improper management. The recharge shaft is an efficient and economic method for recharging groundwater. In this study, the effect of variable thickness of coarse sand (CS), gravel (G) and

A Decision Support System (DSS)on bio-drainage for reclamation of salt affected and waterlogged lands was developed using Visual Basic (VB) protocols. The DSS permits the user to interactively enter input information viz., the area available for plantation, average annual rainfall, initial and desired water table depth, soil type and the plantation type.