Jan 25: A third to a half of the 440K energy sector jobs lost in the global oil industry collapse may never come back, as a combination of more efficient drilling rigs and increased automation is reducing the need for field hands 8In India, the downturn has cost some jobs but the impact has not been fully felt as public sector led E&P investment plans have not suffered much even as oil prices went down 8But a sharp fall on equipment and service costs have squeezed margins of companies active in this field, leading to layoffs Click on Details for more