Briefly, the facts of the case are that on 10.04.1984, the petitioner was recruited as a General Mazdoor. In 1999, he was promoted as a Motor Vehicle Driver. While joining the company in 1984, since the petitioner did not produce any document revealing his date of birth, he was subjected to a medical examination. According to the medical doctors, he was said to be approximately twenty-five years old. Hence, his date of birth u,as recorded in his service record as "18.05.1961". The said date of birth was alscr recorded in the Statutory Register of Emplovees (Form-B) under Rule 48(3), 51 and 77 of the Mines Rules, 1955, and in the Nomination Forms of Coal Mines Family Provident Fund. Even in his service book, as per the pass certificate for the VIII class common examination held in the year 1975-76, issued by the Headmaster, Zilla Parishad Secondary School, Pandella Palli, his date of birth u,as indicated as 18.O5.1961. However, at the fag end of his service, by letter dated 19.O9 .2017 , the appellants informed the petitioner that, in fact, the company takes his date of birth as "27.09.1958", instead of"18.05.1961". Therefore, he was due to retire on O1.10.2018.