Route survey, preparation of conceptual and detailed designs, engineering/shop drawings for construction, technical assistance in sourcing and procurement, supply of materials, performance onsite installation, pre commissioning tests, High Voltage Resonance Frequency Test, Partial Discharges test, location and repairing of faults on cable & sheath including identifying the causes and all civil reinstatement works for the entire of range of high voltage cables from 11kV to 400kV Level