India, Oct. 21 -- Nifty, Sensex Close Lower: Nifty 50 declined 77.60 points (0.34%) to 22,811.35, while Sensex slipped 0.19% to 73,709.69. The Nifty touched an intraday low of 22,649.90 before recovering some losses. IT Stocks Lead Gains: Nifty IT surged 2.88%, with Infosys jumping 3.30%, HCL Technologies gaining 3.21%, Tech Mahindra rising 3.13% and TCS advancing 2.77%. Auto, Metal and Financial Stocks Under Pressure: Nifty Metal declined 1.71%, Nifty Auto fell 1.54% and Nifty Financial Services lost 1.18%. Bajaj Finance (-3.27%), BSE (-2.63%) and Eicher Motors (-2.43%) were among the notable losers. Rupee Strengthens Against US Dollar: The Indian rupee appreciated 0.31% to Rs94.4252 per dollar on October 21, compared with its previous c...