Directors KYC:- Every individual who has been allotted a Director Identification Number (DIN) as on 31 st March of a financial year as per these rules shall, submit e-form DIR-3-KYC to the Central Government on or before 30th April of immediate next financial year. Provided that every individual who has already been allotted a Director Identification Number (DIN) as at 31st March, 2018, shall submit eform DIR-3 KYC on or before 31st August, 2018
https://www.mca.gov.in/Ministry/pdf/CompaniesAppointmentQualificationRules_06072018.pdf