Mumbai, Sept. 2 -- The Indian rupee declined 8 paise to close at an all-time low of 88.18 (provisional) against the US dollar on Tuesday, as Indo-US trade deal uncertainty and weak domestic equity markets pressurized the local unit. Indian shares gave up early gains to end lower on Tuesday ahead of the upcoming two-day Goods and Services Tax (GST) Council meeting later this week. The benchmark BSE Sensex fell 206.61 points, or 0.26 percent, to 80,157.88 while the broader NSE Nifty index closed down 45.45 points, or 0.18 percent, at 24,579.60. The rupee is trading near all-time low levels as risks remained skewed to the downside amid uncertainty over US trade tariffs and rising oil prices. Oil prices rose over 2% on Tuesday as concerns abo...