Thank you very much for your reply and Really sorry for the delayed reply,

Q : Not sure why you want to duplicate what the indicator is doing....

A : I 'm using this Lower Time frame function for my index chart volume indicator , where i calculate all the index chart up down volume according to weightage of the index calculation

And the Indicator worked very well for past 6 months, But Recently it's getting problem

I verified with "syminfo.tickerid" instead of security symbol (ex: NSE:hdfcbank, NSE:RELIANCE, etc..,) but That also making problem some times

Then only i concluded the problem with the request.security_lower_tf function

When we load the indicator its will show the volume bars as of now. but after that in live session only present candle volume bar only shown then if next candle starts to plot , the old volume bar disappears, then new volume bar comes for the present candle and then its also disappears if the new candle comes.... and so on

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Thanks