NIFTY 22nd JULY 2021 Expected Levels

As seen a very bearish in the market for the 3 consecutive sessions, still market is not looking in good mood for the Thursday. Reliance still looks strong, it may take the NIFTY into bullish, because 23rd is the big day for the heavy weighted stock of the market. The other side HDFC is week.
Here are the Support and Resistance levels for the NIFTY
R1-15669
R2-15702
R3-15724
R4-15744
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S1-15606
S2-15566
S3-15528
S4-15459