Mumbai, Dec. 1 -- The Indian rupee depreciated 8 paise to close at 89.53 (provisional) against the US dollar on Monday, amid rising international crude oil prices. Sustained weakness in the rupee is also attributable to a widening trade deficit, and the delayed India-US trade deal. Indian shares also gave up early gains to end slightly lower on Monday. The benchmark BSE Sensex swung between gains and losses before closing down 64.77 points, or 0.08 percent, at 85,641.90. The broader NSE Nifty dropped 27.20 points, or 0.10 percent, to 26,175.75.However, the domestic unit pared sharp losses hit during intraday moves as weakness in dollar overseas supported the counter. At the interbank foreign exchange market, the rupee opened at 89.45, the...