supply of manufacture and supply of elastic rail clip mk-v conforming to rdso drg. no. t-5919, with latest alterations.manufacture and supply of elastic rail clip mk-v conforming to rdso drg. no. t-5919, with latest alterations.,manufacture and supply of elastic rail clip mk-v conforming to rdso drg. no. t-5919, with latest alterations. specification: indian railway standard specification for elastic rail clips (fifth r evision) with corrigendum no. 2 with latest alterations. the term latest alterations wherever used wil l mean the alterations up to the actual date of opening of tender. [ warranty period: 30 months afte r the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]