Nifty Inverse H&S buy on breakout above 18050

Nifty inverse H&S on weekly chart. Buy on breakout -Wait for price to stabilise and buy above 18050. SL 17800. Tgt1 -18400, tgt2-20350, tgt3-23470. Trail SL on previous support level.
This is longer term weekly chart so move will come over several weeks/months.