New Delhi, June 11 -- Indian benchmark indices Sensex and Nifty 50 are expected to open on a subdued note on Thursday as investors remain cautious amid escalating geopolitical tensions in the Middle East and a sharp rise in crude oil prices.

Weak global cues are likely to weigh on sentiment, with most Asian markets trading lower and US stocks ending in negative territory overnight. The decline on Wall Street was led by semiconductor stocks, while concerns over the intensifying conflict between the United States and Iran and its impact on global energy supplies kept risk appetite in check.

Higher crude oil prices have also heightened fears of persistent inflation and slower global growth, prompting investors to adopt a cautious approach....