ONGC Can fly after taking support in descending channel pattern

ONGC is continuously making a descending channel pattern from 173. After breaking the 20 and 50 days EMA now it is about to touch 100 days EMA and this could work as a strong support for ONGC as there are both supports available at 138 . 1st is Descending channel pattern's trend line and 100 Days EMA also running around 138. You can take entry in it according to provided details on charts.
you can hold this scrip for medium term target of 172 if it cross the level of 153 with good volume and retest.