Need to import doctors data from csv to data table, theme name medico

I have theme medico i recently purchased it, in that they offer one features that we can import doctor data from csv file to data table. i am trying to import the data from csv to data table but data is not importing.
To import the data they suggest the plugin WP-CSV i am using that but not able to import the data because steps are not mentioned clearly.
please help me out for that.

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