Unless non-access is proved, the presumption as to legitimacy of any child born during the continuance of a valid marriage between his mother and any man is

Option (1) is incorrect: Under Section 112 of the Indian Evidence Act, it is not rebuttable presumption of law. Option (2) is incorrect: Under Section 112 of the Indian Evidence Act, it is not rebuttable presumption of fact. Option (3) is incorrect: Under Section 112 of the Indian Evidence Act, it is not a mixed presumption of law and fact. Option (4) is correct. Under Section 112 of the Indian Evidence Act, the fact that any person was born during the continuance of a valid marriage between his mother and man, or within two hundred and eighty days after its dissolution, the mother remaining unmarried, shall be a conclusive proof that he is the legitimate son of that man.