4. Controverting the averments made by the petitioner, the respondent nos.3 and 4 have filed counter-affidvit, wherein it has been mentioned in para 7 that in view of the settlement arrived at between the parties, the terms of settlement were reduced to writing, clause 2 of which reads, “49 casual workers of Loyabad Power House of BSEB (Bihar State Elecctricity Board), who are drawing lump sum payment will be firstly examined for assessment of age as per Company's norms and if they have not attained 60 years of age, then such casual workers wil be regularized as Category I with effect from the date of the Award by the Sole Arbitrator before whom this instant settlement will be put up. However, they will be extended with notional fixation benefits in Category I with effect from 15.10.1997 without any financial benefits since the company is under BIFR and the financial condition of the company precarious”. It has further been submitted that in terms of settlement dated 06.11.2008, all persons including the petitioner were referred to the Apex Medical Board for assessment of their age and the petitioner was examined by the Apex Medical Board on 12.09.2009 and the Board assessed his age to be between 55 years and 60 years and taking the mean figure of the two, the Board determined the age of the petitioner to be 57 years and 6 months as on 12.09.2009. The assessment of the age of the petitioner was authenticiated by the petitioner himself by putting his LTI over the relevant portion of the report dated 12.09.2009, as is evident from Annexure – B to the counter-affidavit. It has been submitted that on assessment of the age in terms of the settlement, the petitioner and others were regularized with effect from 25.05.2009 in Category I, i.e from the date of the award.