in the nature of mandamus for commanding and directing the respondent authorities concerned to give the benefits of promotion to the petitioner in the scale of graduate trained pay scale (Arts) from the due date of his entitlement as per Bihar Nationalized Elementary Teacher Promotion Rule, 1993 in the light of the order passed by this Hon'ble High Court in the case of similarly situated teachers vide CWJC No. 15610 of 2018 (Raghvendra Sharma and Others vs. the State of Bihar and Others), as the petitioner has joined as an Assistant Teacher in the year 01.03.1979 through the district panel of Siwan and has passed Sahitya Alankar from Hindi Vidyapeeth Deoghar, Jharkhand in the year 1992 and as the said degree is recognized upto 2016 for all purposes as per the decision of C.W.J.C. No. 16183/2012 (Raj Ranjan and Others vs. the State of Bihar and Others) and thus the petitioner is entitled for grant of graduate trained pay scale from due date of his entitlement as several similarly situated teachers' who were also having the degree of Sahitya Alankar from Hindi Vidyapeeth, Deoghar, Jharkhand, their date of promotion in graduate trained pay scale from the due date of their entitlement but the petitioner has been deprived till date, as the petitioner has been given I.Sc. trained pay scale since 1983 and in the matter of I.Sc. trained pay scale, he will be senior to matric trained teacher and his entitlement in graduate trained pay scale is prior to such teachers, who are in matric trained pay scale, as since 01.01.1986, the I.Sc. trained pay scale and matric trained pay scale has been merged in one scale i.e. matric trained pay scale by providing three additional increments as well as seniority.