statements filed in the cases of petitioners 2 and 3, in which also the amount admitted was equal to the amount claimed in Exts.P2 and P3. Subsequent to the filing of the written statement the petitioners filed applications for amendment of the claim filing Exts.P8 to P10 whereby the enhanced claim for gratuity of Rs.51,843/- (Rupees fifty one thousand eight hundred and forty three only), was made raising the number of years of service to 34 years in the case of 1st petitioner and Rs.56,631/- (Rupees Fifty six thousand six hundred and thirty one only) for 37 years in the case of the 2nd petitioner and Rs.59,467/(Rupees Fifty nine thousand four hundred and sixty seven only) for 39 years in the case of the 3rd petitioner. The amendment applications were submitted when the petitioners came to know about the settlement arrived at between the trade unions and the establishment, which is produced as Ext.P7. In Ext.P7 settlement dated 5.5.1999 clause 1 was to the effect that all the employees who have completed