In the reply filed by the respondents, the clear stand is that the employee who passed matriculation earlier is to be preferred over the senior for purposes of promotion. It is, however, admitted that the promotion is to be made from Class-IV employees to the post of Lab Attendant on the passing of the matriculation and on the basis of the seniority. It is further mentioned that the seniority is maintained institution-wise and thus the petitioner cannot claim that the persons namely Bhagwan Das and Giridhar Gopal were junior to him. Respondents have also relied upon the Govt. instructions dated 21.10.1987, copy whereof is already placed on record as Annexure P-4. Through the aforesaid communication, it is again clarified that the promotion is to be made on the basis of the date of passing of the matriculation examination and an employee who has qualified the matriculation examination earlier will be preferred over the senior. At the same time, it is maintained that the promotion is to be made on the basis of the seniority from the candidates who possessed the requisite qualification. During the pendency of this petition the petitioner has also placed on record Annexures P-5 to P-7. Annexure P-5 is document, whereby particulars of the petitioner, Bhagwan Dass and Giridhar Gopal are stated. In this document petitioner is shown to be at Sr. No. 1 and the above named two persons namely Giridhar Gopal and Bhagwan Dass are shown at Sr. Nos. 2 and 3 respectively. Their dates of passing of the matriculation examination are given. On the basis of the aforesaid document, it is pleaded on behalf of