Query on Weekly Continuous Future Data

Nse started FINNIFTY Index future weekly contract for trading. currently as on today 14th Jan 2021 contract we can see max volume, even higher then monthly Jan 2021 expiry contract.

My question is how one can make continuous weekly contact chart for FINIFTY ...

For ex. For Near week contract after 14th Jan we add 21st jan contract data
after 21st jan which is next contract to add to continuous contract charts?
option 1 : 28th jan 2021 monthly expiry data (as it is near week)
option 2 :4th feb 2021 weekly expiry data

Requesting your views on the same...


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