2. The petitioner was engaged as a Sweeper with daily wage in the establishment of District & Sessions Judge, Darrang, Mongoldoi vide order No. 127 dated 31.10.1996. Thereafter, vide order dated 29th July, 2003 issued by the Deputy Secretary to the Government of Assam, Judicial Department, his wage was further enhanced to Rs. 1800/- per month w.e.f. 01.10.1998, with necessary concurrence of Finance Department. Vide order No. 123 dated 7th September, 2010, issued by the District & Sessions Judge, Darrang, Mongoldoi, his service was converted to full time duties and was paid Rs. 4500/- per month as fixed pay w.e.f. 01.08.2010. In the year 2013, the Govt. of Assam, Finance Department (Estt.-A) vide O.M. No. FEG.54/2008/50, dated 14th March, 2013 raised the pay of Casual Employees of Assam Secretariat, various District Offices and Offices of the Heads of Department who were appointed on full time basis to Rs. 6000/- per month w.e.f. 01.02.2010. The same was made applicable to the Casual Workers who were appointed before 01.04.1993. However, for those who were appointed thereafter also the same benefit was extended but only with concurrence of Finance Department. Thereafter, by vide O.M. No. FEG. 54/2008/79 dated 19th January, 2015 issued by the Secretary to the Govt. of Assam, Finance (ESTT-A) Department the fix pay of Casual Workers were further enhanced. The Office Memorandum is reproduced herein below:-