Having regard to the undisputed facts, as above, we find that sufficient opportunities had been granted to the petitioner to establish his claim as not being foreigner or to refute the allegation that he had illegally entered into the territory of India after 25.03.1971. In this context, we may observe that although the procedure of identification and for declaring an individual to be a foreign national cannot be relegated to a mechanical exercise and that fair and reasonable opportunity must be afforded to a proceedee to establish claim that he/she is a citizen of India, however, such grant of opportunity cannot be enlarged to an endless exercise. A person who is not diligent and/or is unmindful to take steps to safeguard his interest, he does so at his own risk and peril. In the instant case several opportunities were granted to the petitioner to establish his claim, which he utterly failed to do so. In this context, we observe that in a proceeding under the Foreigners Act, 1946 and the Foreigners (Tribunals) Order, 1964, the primary issue for determination is whether the proceedee is a foreigner or not. The relevant fact being especially within the knowledge of the proceedee, as such, the burden of proving citizenship absolutely rests upon the
