As price and RSI has both have turned down from overbought levels on the 15 min chart, we can sell Nifty at current market price of 18830, with a stoploss of 18900.
The target for this trade is 18650 & 18600
The time frame for this trade is till 2-Dec-2022
Nifty is in a strong uptrend hence there might not be a deep price correction, watch out for RSI cools down to 50 level without price getting down then exit trade. Nifty may only do time correction.