Repairing and reconditioning of 800 amp control panels with providing and replacement of 800 amp mccb switches at kathara basti, 1b colony, ravidas tola and kamal tola under regional sub station maintenance of kathara colliery.

Calibration services - calibration servicesof glassaware/equipment mass and volume, dimension, temperature, specific heat & humidity, calibration servicesof glassaware/equipment nabl labs lab

Repairing and rewinding of 1mva 11kv/3.3kv power transformer sl. no. jrd/trf/1mva/01 installed at new sub-station of jarangdih colliery under kathara area.

Supply, installation and calibration of laboratory equipment

Calibration of high voltage transformer testing equipment

Custom bid for services - calibration of pressure gauge

Complete repairing and re-winding of (a) 02-nos. 500 kva, 3.3kv/440v (b) 01-no. 250kva, 3.3kv/440v and (c) 01-no. 160 kva, 11 kv/440 distribution transformers installed at different locations of kathara colliery under kathara area.

Custom bid for services - calibration of dead weight pressure calibration, make : budenberg model : 580 series

Calibration services - electrical pressure and vacuum nabl labs lab

Calibration services - nabl calibration of temperature indicator make de wit sn 1401287 1-07, thermal temperature nabl labs lab,calibration services - mechanical, nabl calibration of rpm meter model pr/5714a sn 141348418 speed & acceleration nabl labs lab,calibration services - mechanical, nabl calibration of pressure indicator model pr/5714a sn 141283224 pressure and vacuum, pressure nabl labs lab