The 30-share barometer closed at an all-time high of 30,322.12, up 133.97 points, or 0.44 per cent. It broke previous record closing of 30,250.98 touched on May 11.
The gauge had retreated 62.83 points on Friday.
Investor sentiment received a boost after retail inflation fell sharply to multi-year low of 2.99 per cent in April, from 3.89 per cent and inflation based on the wholesale price index slipped to a four-month low of 3.85 per cent in April, creating headroom for rate cuts by Reserve Bank in coming month.
Besides, the rupee appreciating to 64.03 against the dollar (intra-day) at the forex market added to the lift.
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