For Nifty-50 index, 23,270 and 23,100 would act as key support zones, while the 50-day SMA, 23,810 and 23,900 could be the key resistance areas now, said experts.

BSE Sensex and Nifty50, the Indian equity benchmark indices, tanked in trade on Monday morning. While BSE Sensex went below 77,000, Nifty50 was near 23,250. At 9:20 AM, BSE Sensex was trading at 76,843.

Nifty 50 also faced the wrath of bears with a decline of 243 points to fall below 23,250 levels. Both the benchmarks have tumbled by more than 1% each. The performance comes after the Union Budget announcement where deep tax changes were announced by FM Nirmala Sitharaman.