A# Mobiling, greasing, painting & maintenance works of sluices and conducting paperwork survey of polder. B# Maintenance & slit removal from diversion khal of sluice & repair of ghogs in polder. C# Re-excavation of khal. D# Slit removal of khal with existing regulator. E# Repair & maintenance of sluice, sluice railing and removal of slushy earth of diversion khal. F# Survey work on various drainage canals and rivers.