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U.S. Tariffs Rattle Indian Markets as Sensex, Nifty Plunge
1 Aug
Summary
- U.S. imposes steep tariffs on India, reaffirming 25% duty
- Indian benchmark indices Sensex and Nifty50 open lower
- Sun Pharma reports 20% decline in Q1 FY26 net profit

As of August 1, 2025, the Indian benchmark indices Sensex and Nifty50 have opened lower following the U.S. government's imposition of steep tariffs on several trading partners, including reaffirming a 25% duty on imports from India. Investors have largely viewed the tariff announcement as a pressure tactic by the U.S. and remain hopeful of a resolution through ongoing negotiations.
At around 9:20 am on August 1, 2025, the BSE Sensex was down 266 points, or 0.33%, at 80,918, while the Nifty50 declined 43 points, or 0.17%, to 24,723. This comes after both indices had fallen as much as 0.9% during the previous trading session on July 31, 2025, before trimming losses to end 0.4% lower.
In addition to India, the U.S. has also raised tariffs to 35% from 25% on imports from Canada and imposed duties of 20% and 19% on Taiwan and Thailand, respectively. Within the Sensex pack, Sun Pharma, M&M, Tata Steel, Tata Motors, Infosys, and L&T opened in the red, while HUL, ITC, Asian Paints, Kotak Mahindra Bank, Trent, and Bajaj Finance saw early gains.
Sun Pharma, in particular, dropped nearly 5% in early trade after the drugmaker reported a 20% year-on-year decline in consolidated net profit to Rs 2,278 crore for Q1FY26, down from Rs 2,836 crore in the same quarter last year.