At the NSE, the scrip ended 9.02% lower at Rs 172.40.
After plunging nearly 9% in intra-day trade, the scrip finally ended at Rs 173.75, down 8.02% from its previous close on the BSE.
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Following the dip in the stock price, the market value of the company tanked by Rs 3,708 crore to Rs 42,527 crore.
In terms of volume, 15.74 lakh shares of the company changed hands on the BSE, while over one crore shares were traded on the NSE.
The stock was the top loser on both the key indices -- Sensex and Nifty.
"BHEL cracked down 9%. The street has concerns over new order inflows especially in the light of coal constraints," said Nagji K Rita, Chairman & MD, Inventure Growth & Securities.
The BSE 30-scrip index, Sensex, ended 21.44 points up at 20,149.85.