Stock is in strong downtrend since last 2 months.
now it seems botommed out, last 15 days its forming higher highs and higher lows.
One can go long at CMP 251 with Stop loss of latest swing low 239 which is also 20 Day SMA.
Once it gains momentum, it will fill the gap till 320.
266,278,290 can be considered as intermediate resistence and partial profit booking points.