Indian markets open flat as HDFC Bank gains offset global inflation concerns; eight of 13 sectors trade lower.

• Nifty 50 slips 0.14% to 25,160.5; Sensex down 0.11% to 82,479.24; HDFC Bank up 1.2% on bonus share plan.
• U.S. inflation rises, higher Treasury yields dampen sentiment; metals index leads losses with 0.5% drop.
• Financials rise slightly; Asian markets largely unchanged; global inflation pressures weigh on emerging market flows.