which the date of Birth was recorded as 05.6.1964. Subsequently, it was mentioned in various other documents maintained by the SECL/respondent authorities. The petitioner has also been promoted taking into account the date of birth as 05.6.1964. But vide Annexure-P/1 dated 03.10.2020, the petitioner was informed by the respondent authorities that his services is terminated immediately and he has been superannuated from his post since 31.5.2019, which has been challenged by the petitioner in the instant petition. 3. Learned counsel for the petitioner submits that initial appointment of the petitioner was made in the year 1983 in Western Coals Fields Ltd. (WCL) as General Mazdoor and at that time no document with regard to educational qualification of the petitioner was sought and necessary information was filled up by the officials of WCL in Form - ‘B’. But while filling those information, the petitioner’s date of birth was not asked from him, as such, he was not aware of the fact as to what date of birth has been mentioned in those documents of WCL. She further submits that when employment of the petitioner was transferred from WCL, Nagpur to SECL, Bilaspur in the year 1989, at that time statutory Form ‘B’ was got filled up from the petitioner and in that form the petitioner had clearly mentioned his date of birth as 05.6.1964, which has also been mentioned in words. She further submits that in all the documents maintained by the respondents/SECL, date of birth of the petitioner has been mentioned as 05.6.1964. Learned counsel referring to B. I (a) of ‘Implementation Instruction No.70/76’ (page No.33 of the writ petition) issued by Joint Biparite Committee for the Coal Industry, Coal India Limited, ‘Coal Bhawan’, 10, Netaji Subhas Road, Calcutta – 700 001 bearing No.CIL/NCWAIII/I.I. No.76/88/285 dated 25th April, 1988, would submit that, as per the aforesaid Instruction, if there is any dispute with regard to review/determination of date of birth in respect of existing employees of SECL, then Matriculation certificate or Higher Secondary Certificate issued by the recognised University,