Hi Rdk2021,
Sorry for late reply.
This is pure VANILA type of NIFTY graph in FEB series. (nifty movement in FEB)Most of the things are mentioned in the graph itself.
Blue boxes indicate the end of weekly expiry.
Green/White boxes indicate Nifty variations , Positive / Negative.
Yellow straight lines indicate Average during the week.
This graph is for purely educational purposes , not for any interpretation.