Indian markets saw high volatility while benchmark Sensex and Nifty hit fresh all-time high but could not sustain gains led by heavy selling pressure in select sector on Tuesday. The BSE Sensex closed at record high with the 30-share index at 54,554.66, up 151.81 points or 0.28%. The Nifty was at 16,280.10, up 21.85 points or 0.13%.