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Damodar Valley Corporation v. Central Electricity Regulatory Commission & Ors.

Civil Appeal · 2018 INSC 1127Decided 3 Dec 2018
Civil Appeal No. 4881 of 2010
Chief Justice Ranjan Gogoi · Justice Sanjay Kishan Kaul · Justice K.M. Joseph

Background

Damodar Valley Corporation (DVC), a statutory body generating and distributing electricity (and also running flood-control and related public functions) under its own 1948 Act, had its electricity tariff for 2004-2009 determined by the Central Electricity Regulatory Commission. DVC challenged that order before the Appellate Tribunal for Electricity, which partly allowed its appeal and remanded the matter for fresh consideration; a revised tariff order was then passed, which the Appellate Tribunal again upheld. DVC appealed to the Supreme Court, narrowing its challenge to two points: whether it was wrongly denied "interest on capital" under Section 38 of its own Act, and whether the regulators had wrongly treated accumulated depreciation as reducing its loan component (and thus reducing allowable interest) for tariff purposes.

Decision Breakdown

The Supreme Court held that while Section 38 of the DVC Act does entitle DVC to interest on capital contributed by participating governments, the Appellate Tribunal's earlier order had, on a proper reading, already accounted for this through the equity component earning a return under the tariff regulations, so there was no actual shortfall requiring correction. On the second issue, the Court noted that the point about cumulative depreciation reducing the loan component had already been conclusively decided against DVC in an earlier, now-final Supreme Court ruling (Bhaskar Shrachi Alloys Ltd. vs Damodar Valley Corporation, 2018 (8) SCC 281) concerning the very same first round of litigation, and DVC could not reopen a settled issue in this later round. Finding no substantial legal error warranting interference, the Court declined to answer the question of law raised and dismissed the appeal, with each side bearing its own costs.

Lesson Learnt

Once a legal issue has been conclusively decided and attained finality in an earlier round of related litigation (here, between the same parties over the same tariff dispute), a party cannot reopen or re-litigate that same issue in a later appeal arising from the same proceedings.

Official source (sci.gov.in)View Judgment (PDF)

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