Repairing and modification of gaseous chlorination arrangement at wtp of sub surface water based piped water supply scheme at tapan western sector in the district of dakshin dinajpur under malda mechanical division p.h.e.dte.

Operation and guarding of gaseous chlorination arrangement at water treatment plant under sub surface water based piped water supply scheme at gangarampur western sector in the district of dakshin dinajpur under malda mechanical division p.h.e .dte.

Operation and guarding of gaseous chlorination arrangement at nildanga ohr site (distribution zone-iv) under sub surface water based piped water supply scheme at gangarampur western sector in the district of dakshin dinajpur under malda mechanical

Operation and guarding of gaseous chlorination arrangement at sahabazpur ohr site (distribution zone-v) under sub surface water based piped water supply scheme at gangarampur western sector in the district of dakshin dinajpur under malda mechanical d

Operation and guarding of gaseous chlorination arrangement at katatair ohr site (distribution zone-ii) under sub surface water based piped water supply scheme at gangarampur western sector in the district of dakshin dinajpur under malda mechanical di

Operation and guarding of gaseous chlorination arrangement at paton ohr site (distribution zone-iii) under sub surface water based piped water supply scheme at gangarampur western sector in the district of dakshin dinajpur under malda mechanical divi

Replacement of electrically gear operated, double flanged cast iron butterfly valve at wtp of sub surface water based piped water supply scheme at tapan western sector in the district of dakshin dinajpur under malda mechanical division p.h.e .dte.

Operation and guarding of gaseous chlorination arrangement at kathalhat hossainpur ohr site (distribution zone-i) under sub surface water based piped water supply scheme at gangarampur western sector in the district of dakshin dinajpur under malda

Operation and guarding of gaseous chlorination arrangement at at bholaichak distribution zone within southern sector of malda arsenic area w/s scheme under malda mechanical division p.h.e .dte.

Operation and guarding of gaseous chlorination arrangement at at bamangram distribution zone within southern sector of malda arsenic area w/s scheme under malda mechanical division p.h.e .dte.