1) 666 can act as double bottom and after spending some time can start an up move which should be followed by some decent volumes.
2) 61.8% Retracement completed.
3) For long term investors - 630 Weekly strong support.
4) Risk reward becomes favorable but next qtr concall will decide the future for the company fundamentally. Loosing coal India as business resulted in overreaction or management will be able to digest and recoup the loss caused due to coal india.