The 30-share BSE benchmark Sensex declined 384 points or 0.52% to settle at 73,512. The broader NSE Nifty dropped 140 points or 0.62% to end at 22,302. Oil steadied on Tuesday as weakness in the physical market countered concern about conflict in the Middle East as Israel stepped up attacks in southern Gaza and a ceasefire deal between Hamas and Israel hung in the balance.