Indian ADRs: American Depository Receipt (ADR) shares of India's top blue-chip companies listed on the New York Stock Exchange (NYSE) logged deep cuts on Wednesday, July 30, after US President Donald Trump imposed a supersized 25% tariff rate on India for trade.ADR shares of Infosys, Wipro, HDFC Bank, ICICI Bank, and Dr Reddy's Laboratories dropped after the tariff announcement.ADR is a tool for foreign companies or organisations to trade on US stock markets, just like regular shares of US companies. In theory, an ADR is similar to a special certificate issued by a US bank.This copy is being updated. Read more on Markets by NDTV Profit.