"There is tremendous potential for companies to grow in this segment and hence essential that future managers are made aware of this, " he said, adding that he had already talked about the issue with some of India's biggest corporations.

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An essential conduit for direction, these managers are often torn in two.

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The securities lending business is an essential source of revenue for asset managers like BlackRock and its competitors including State Street and Legg Mason, driven by a high demand in the global market.

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Local governments struggle to hire managers and engineers, leaving many essential posts unfilled.

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Ofsted said leaders, governors and managers "have failed to make the essential improvements identified at the time of the last inspection" in January 2011.

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In this environment, managers naturally tend to be most focused on essential day-to-day operations and less interested in longer-term activities perceived as having less certain payback.

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But when technology changes, so that once-essential staff become not only expendable but redundant, even Indian managers' ingenuity is tested.

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This requires social sector managers to be very savvy about determining which resources are absolutely essential.

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