On 25th Sept 2020, TCS made a good bullish rally from 2368 to 2433. And consolidated in the range 2398-2436 forming a Bullish flag pattern.
Also in the 1Day chart, there is a Bullish Harami pattern which supports the possible bullish run on upcoming days.
A morning star candlestick pattern is formed today which indicates a trend reversal. The same happened before as you can see in the round marking sections. Opportunity for a swing trade.
Buy at 123.85 or you can wait for confirmations.
Please verify it with your technical analysis also.