India, March 30 -- Vedanta Ltd. will complete its long-awaited demerger into five separate listed units in early April, a move designed to unlock value and tackle debt that's weighed on Chairman Anil Agarwal for years.

The Vedanta demermger will transform the Mumbai-listed company into a series of pureplay companies spanning aluminium, zinc, oil and gas, steel, and power, Agarwal told the Financial Times, giving them a "free hand to grow". He anticipates a significant rerating of the group's assets. While the conglomerate's current market capitalisation sits at roughly $27 billion, Agarwal suggested that the combined valuation of the independent entities could double.

Under the new arrangement, a private parent firm controlled by the Lo...