Indian equity indices opened Tuesday’s trading session with a slight increase in NSE Nifty 50 and BSE Sensex, while Bank Nifty remained flat. Small and midcap stocks had a strong start. The market is anticipating a deal between US and China on tariffs. Early gainers include SBI, Adani Ports, and Tata Steel, while IndiGo and Bajaj Finance are among the laggards.