Mumbai/IBNS, Jan. 9 -- Indian equity benchmarks extended their decline at the opening bell on Friday, following a sharp sell-off on Dalal Street in the previous session, media reports said.

Investor sentiment remained cautious ahead of the Supreme Court's ruling on the legality of US tariffs imposed on higher-margin goods imported from India.

Both the Sensex and the Nifty closed in the red on Thursday, marking their fourth consecutive session of losses.

On Thursday, the Sensex plunged 780.18 points to settle at 84,180.96, while the Nifty declined 263.90 points to end at 25,876.85.

Selling pressure was broad-based, with metal, IT, oil and gas, PSU banking and realty stocks witnessing heavy losses. The downturn was visible across large-...