Indian markets gain after cooling inflation boosts rate cut hopes; Nifty, Sensex end four-day losing streak on Tuesday.

• Retail inflation drops to six-year low, prompting Nomura to predict RBI rate cuts in October and December.
• Sun Pharma rises 2.7% on U.S. drug launch; Yes Bank jumps 2.4% amid Sumitomo Mitsui investment buzz.
• HCLTech slides 3.3% after weak results; broader mid- and small-cap indexes gain around 1% each.