Mumbai, Jun 12 (PTI): Benchmark Sensex tanked 823 points on Thursday following a selloff in oil & gas, power and capital goods shares in tandem with weak global market trends amid growing tensions in the Middle East.
The 30-share BSE Sensex dropped 823.16 points or 1 per cent to settle at 81,691.98 with 27 of its constituents declining and three ending higher. During the day, it plunged 991.98 points or 1.20 per cent to 81,523.16.

Snapping its six-day winning streak, the broader NSE Nifty tumbled 253.20 points or 1.01 per cent to 24,888.20.
Fresh foreign fund outflows also dented investors' sentiment, traders said.
Among Sensex stocks, Tata Motors, Titan, Eternal, Power Grid, Tata Steel, Larsen & Toubro, Mahindra & Mahindra and Hindustan Unilever were among the biggest laggards.
Bajaj Finserv, Asian Paints and Tech Mahindra were the gainers.
"Consolidation in domestic markets is evolving into a broad-based trend, now extending to large-cap stocks. Valuation concerns and rising oil prices -- driven by Middle East tensions -- are fuelling risk aversion among investors.
"Adding to the uncertainty, the US is considering unilateral tariff hikes on several key trading partners, with a decision expected within the next one to two weeks, ahead of an early July deadline," Vinod Nair, Head of Research, Geojit Investments Limited, said.
The BSE midcap gauge tanked 1.52 per cent and smallcap index dropped 1.38 per cent.
Among sectoral indices, power tumbled 2.19 per cent, utilities (2.18 per cent), oil & gas (2.10 per cent), realty (2.07 per cent), consumer durables (2.02 per cent), industrials (1.98 per cent), auto (1.71 per cent), consumer discretionary (1.67 per cent) and metal (1.63 per cent).
As many as 2,729 stocks declined while 1,282 advanced and 140 remained unchanged on the BSE.
"The sell-off was triggered by a combination of factors, including renewed geopolitical tensions between Israel and Iran, a rise in crude oil prices, and expiry-related pressure following the breakdown of a key support level. These developments have made market participants more cautious," Ajit Mishra - SVP, Research, Religare Broking Ltd, said.
Meanwhile, a London-bound Air India plane carrying 242 passengers and crew crashed in a residential area minutes after taking off from the Ahmedabad airport on Thursday afternoon. Many people were feared killed.
Shares of aircraft manufacturer Boeing plunged nearly 8 per cent in pre-market trade on Thursday.
Foreign Institutional Investors (FIIs) offloaded equities worth Rs 446.31 crore on Wednesday, according to exchange data.
Prashanth Tapse, Senior VP (Research), Mehta Equities Ltd, said investors exited stocks at will weighed down by weak global sentiment coupled with the possibility of Israel attacking Iran and renewed tariff threat by US President Donald Trump".
In Asian markets, South Korea's Kospi and Shanghai's SSE Composite index settled in the positive territory, while Japan's Nikkei 225 index and Hong Kong's Hang Seng ended lower. Equity markets in Europe were trading in the negative territory.
US markets ended lower on Wednesday.
Global oil benchmark Brent crude declined 1.43 per cent to USD 68.77 a barrel.
On Wednesday, the 30-share BSE Sensex rose by 123.42 points or 0.15 per cent to settle at 82,515.14. The Nifty ended 37.15 points or 0.15 per cent up at 25,141.40.


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Bengaluru (PTI): Targeting Chief Minister Siddaramaiah and the Congress government in Karnataka on corruption, BJP leader R Ashoka on Friday said, being foolish was forgivable, but being "shameless" in public life was not.
The Leader of Opposition in the state Assembly claimed that in just 30 months of its tenure, the Congress administration has broken every previous record on corruption-related controversies.
He was responding to Siddaramaiah's post on 'X' on Thursday hitting back at the BJP, stating that Upa Lokayukta Justice Veerappa's claims of "63 per cent corruption" were based on his report in November 2019, when BJP's B S Yediyurappa was the CM.
"But Ashoka, without understanding the Upa Lokayukta's statement properly, has ended up tying the BJP's own bells of sins onto our heads and has effectively shot himself in the foot," the CM had said, as he accused Ashoka of foolishness for trying to twist Veerappa's statement to target the current government.
Responding, Ashoka said, "it is one thing to be called foolish in politics, that can be forgiven."
"But in public life, especially in the Chief Minister's chair, one must never become shameless," Ashoka posted on 'X' on Friday addressing Siddaramaiah.
Noting that the CM himself had admitted on the floor of the Assembly that a Rs 87 crore scam took place in the Valmiki Development Corporation, he said that when a CM acknowledges such a massive irregularity inside the floor of the House, the natural expectation is immediate action and accountability.
"But instead of taking responsibility, you continue in office as if nothing has happened. What should the people of Karnataka call this, if not sheer shamelessness," he asked.
Pointing out that the CM's Economic Advisor and senior Congress MLA Basavaraja Rayareddy had publicly stated that under Congress rule, Karnataka has become No.1 in corruption, Ashoka said, "Yet, you still cling to the Chief Minister's chair without a moment of introspection. What should the people of Karnataka call this, if not sheer shamelessness."
Senior Congress MLA C R Patil had exposed the "money for House" racket in the Housing Department and even warned that the government would collapse if the details he has were made public, Ashoka said.
"Despite such serious allegations from within your own party (Congress), you neither initiated an inquiry nor acted against the concerned minister. What should the people of Karnataka call this, if not sheer shamelessness," Ashoka asked the CM.
Highlighting the "40 percent commission" allegation Congress made against the previous BJP government, the opposition leader said, the commission that the Siddaramaiah government appointed concluded that the accusation was baseless.
"After your own panel demolished your own claim, what moral right do you have to continue repeating that allegation. What should the people of Karnataka call this, if not sheer shamelessness," he asked.
For the last two and a half years, Karnataka has been 'drowning' in corruption, scandals, irregularities and allegations across departments. Ashoka said, "If I begin listing every case that emerged under your government, even 24 hours would not be enough."
"And the most tragic aspect of your administration is this: the unbearable pressure, corruption demands and administrative harassment under your government pushed several officers and contractors into extreme distress - including the suicide of Chandrasekharan which exposed the Valmiki Development Corporation scam - a sign of how deeply broken the system has become under your watch," he said.
Instead of fixing this hopeless environment, the government has tried to bury every complaint and silence every voice, he charged.
"Being foolish is forgivable, but being shameless in public life is definitely not."
"When your own ministers admit scams, when your own advisors certify Karnataka as No.1 in corruption, and when your own MLAs expose rackets inside your departments - clinging to power without accountability is not leadership. It is shamelessness in its purest form." PTI KSU
Earlier on Thursday Ashoka had demanded that the corruption case and allegations in the state against the Congress government be handed over to a CBI investigation, citing a reported statement by Upalokaykta Justice Veerappa alleging "63 per cent corruption", following which Siddaramaiah hit back at the BJP leader.
