Erection and reorganisation of main 11kv overhead line and installation of 1.6mva power transformer 11kv/3.3kv with ht panel at pit office substation with busbar arrangement at topa ocp under kuju area.

Upgradation and adoption of earth leakage relay with cbct system in 9 nos. 11kv/3.3kv, 630a vcb meditron and mineline make at jocp main substation under hazaribagh area

Up-gradation and adoption of earth leakage relay with cbct system in 8 nos 11kv/3.3kv 630amp vcb meditron and mineline make at gidi-c colliery under argada area

Up-gradation and adoption of earth leakage relay with cbct system in 8 nos 11kv/3.3kv ,630amp vcb meditron and mineline make at gidi-c colliery under argada area

Up-gradation and adoption of earth leakage relay with cbct system in 8 nos 11kv/3.3kv ,630amp vcb meditron and mineline make at gidi-c colliery under argada area.

Upgradation and adoption of earth leakage relay with cbct and pt 11kv/220v-110v ,3.3kv/220v-110v for triping system in 05 nos 11kv, 630amp vcb meditron and 02 nos. 3.3kv, 400 amp mineline make at sirka colliery under argada area

Upgradation and adoption of earth leakage relay with cbct system in 3 nos vcbs in 3.3kv, 400amp mineline make and 1 no 11 kv, 400amp meditron make at main substation of kuju colliery under kuju area.

Up gradation and adoption of earth leakage relay with cbct system in 4 nos11kv/3.3kv,630a vcb meditron and mine line make installed at differentsubstation of topa ocp under kuju area.

Upgradation and adoption of earth leakage relay with cbct system in two nos. 11 kv grade, meditron make vcb installed at main substation to enhance safety feature at tapin open cast project hazaribagh area

Repairing/reconditioning of 02 nos vcb (a) 3.3kv,400amp, mineline make vcb s.no.(b) 11kv ,400amp,meditron make vcb s.no.9472 at main substation of karma project under kuju area.