Get latest articles and stories on India at LatestLY. The BSE gauge Sensex tanked over 1,500 points to crack below the 57,000-mark and the NSE Nifty slipped below the 17,000-level in the opening session on Monday, amid heightened tension over the Russia-Ukraine conflict. India News | Sensex Crashes over 1,500 Pts in Opening Deals on Geopolitical Worries.