Question related Data Rest in MyApi V2

Hi,

I've question-related to Data Rest in My Api V2 post

Where in you mentioned, "Intraday & daily timeframe historical data for the entire duration of the F&O contracts."

when I try to get the 1min data for NSE:NIFTY21JANFUT between 2021-FEB-1st to 2021-FEB-5th, it shows an invalid symbol. 

Can I get data for historical symbols, and how far back it's available?

 

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