The Appellate Tribunal for Electricity (APTEL) has directed the Indian Energy Exchange (IEX) to file an amended plea in the ongoing market coupling case, adding the Grid Corporation of India, Power Exchange of India, and Hindustan Power Exchange as respondents.

IEX has been given a week to submit the revised petition, while the respondents have been asked to file their replies before the next hearing scheduled for October 30, 2025.

The exchange had moved the tribunal in August, challenging the Central Electricity Regulatory Commission’s (CERC) July 23 order that called for a stage-gated implementation of market coupling on the country’s electricity trading platforms.

The order had triggered a sharp selloff in IEX shares, which fell nearly 30% overnight in Mumbai trade.

In its petition,

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