India, Aug. 26 -- Indian shares opened on a sluggish note on Tuesday after the Trump administration officially issued a notice regarding the imposition of an additional 25 percent tariffs on Indian imports, with the punitive duties set to kick in at 12:01 am (EST) on August 27.

The benchmark BSE Sensex was down 573 points, or 0.70 percent, at 81,062 in early trade while the broader NSE Nifty index traded down 178 points, or 0.70 percent, at 24,794.

Among the prominent decliners, Bajaj FinServ, ICICI Bank, BEL, HDFC Bank, Power Grid Corp, Trent, Tata Steel and Sun Pharma dropped 1-2 percent.

Vodafone Idea shares plunged 9 percent as the government ruled out additional AGR relief for the company.

IREDA declined 1.5 percent after setting i...