India, Sept. 29 -- Sensex and Nifty opened in red on Tuesday after sliding to near six-month lows in Monday's session, with oil prices extending their rise amid continued concerns over Middle East supply disruptions due to the US-Iran conflict.

Brent crude futures rose 1.34 per cent to $106.7 a barrel, affecting sentiments in India for which higher oil prices are detrimental given the import quantity - the world's third-largest importer of the commodity - as they risk stoking inflation, widening the import bill and squeezing growth and corporate margins.

GIFT Nifty futures were at 22,819.5 points as of 7:51 am, indicating a muted start for the benchmark Nifty 50 index, which closed at 22,780.25 on Monday.

On Monday, Sensex closed over ...