Yes, a foreign national can be a director. For procuring DIN, details of a valid passport should be filled in form DIR-3 and a certified copy of same should be attached with DIN application. All supporting documents including photograph should be certified by the Indian Embassy or a notary in the home country of the applicant or by the Managing Director / CEO / Company Secretary of the company registered in India, in which applicant is a director. If a foreign director has a valid multiple-entry Indian visa or Person of Indian Origin card or Overseas Citizen of India card, then the attestation could also be done by Public Notary / Gazetted Officer in India or practicing CA / CS / CWA.