Installation of power transformer with switch at kumardihi b ocp surface substation of kumardihi b colliery ocp under bankola area.

Cleaning of main ht surface substation near cm project site of kumardihi b colliery under bankola area.

New installation of permanent overhead cable tray from cm substation to incline no 1 at nakrakonda kumardihi b colliery under bankola area .

New installation of permanent overhead cable tray from cm substation to incline no 1 at nakrakonda kumardihi b colliery under bankola area (retender)

Replacement of 11kv grade ht cable in cm project of cm substation at narkrakonda kumardihi b colliery under bankola area.

Gasket replacement, painting of outdoor type single phase 33kv pt and ct for 33kv substation at nakrakonda kumardihi b colliery under bankola area.

Installation of surge arrestor protection system at bankola colliery sankalpakhani ht surface substation,no 8 pit ht substation,no 1 pit ht surface substation and main electrical surface substation near workshop site of bankola colliery under bankola

Domestic wiring of 11 kv substation building and transformer house of cm project at nakrakonda kumardihi b colliery bankola area.

Installation and commissioning of 3.3kv 3phase, 4wire power supply for pumping in nakrakonda ocp of nakrakonda kumardihi b colliery under bankola area

Plantation at kumardihi b cm project under kumardihi b colliery