The Companies (Appointment and Qualification of
Directors) Third Amendment Rules, 2019 have been notified w.e.f 25th
July 2019.
As per the said notification:
i) eForm DIR-3 KYC is to be filed by an individual who holds DIN and is filing his KYC details for the first time or by the DIN holder who has already filed his KYC once in eform DIR-3 KYC but wants to update his details.
ii) Web service DIR-3-KYC-WEB is to be used by the DIN holder who has submitted DIR-3 KYC eform in the previous financial year and no update is required in his details.
source: http://www.mca.gov.in/MinistryV2/companiesact2013.html