Benchmark indices edged higher in the previous session on July 21as upbeat Q1 results from HDFC Bank and ICICI Bank kept investor sentiment high. The Sensex advanced 442.61 points, or 0.54 per cent, to close at 82,200.34, while the Nifty 50 climbed 122.3 points, or 0.49 per cent, to settle at 25,090.7.