For the cup and handle pattern to form, it takes a longer duration. Reliance industries formed the cup from 2010 to 2015 and a handle during the initial few months of 2015.
After forming the handle, if the price goes up again breaking out the top level of the cup, that shows it has crossed the previous resistance level and can further go up steep. We need to create a long position at this level. The stop loss can be at the base of handle of the base of the cup depending on the risk appetite. The target should be equal to the stop loss.