Option (1) is correct: Section 23 of the Indian Evidence Act, 1872 deals with relevance of admissions in civil cases.
Option (2) is incorrect: Section 22 of the Indian Evidence Act, 1872 provides for when oral admissions as to contents of documents are relevant.
Option (3) is incorrect: Section 22A of the Indian Evidence Act, 1872 provides for when oral admissions as to contents of electronic records are relevant.