Vedanta has reduced debt maturing in FY19 by 31%
Both Cairn India and Vedanta are contesting the tax demand
Vedanta has been hit by a collapse in commodity prices. It is also facing legal action and activist protests over its Zambia operations
Its revenue fell 21% to $2.34 billion in April-June quarter of the current financial year
Company says ramping up of aluminium production looks sustainable despite firm's dependence on imported alumina
The mining major aims to commission two potlines of the smelter to reach a capacity of 0.6 mtpa by the end of this financial year.