procurement of 1st category stone aggregate (nominal size-20 mm , 12.5 mm) various scheme within bishalgarh, charilam , jampuijala, boxanagar ,mohanbhog, nalchar , kathalia r.d block under r d bishramganj division procurement of 1st category stone aggregate (nominal size-20 mm , 12.5 mm) various scheme within bishalgarh, charilam , jampuijala, boxanagar ,mohanbhog, nalchar , kathalia r.d block under r d bishramganj division , any worksites within bishalgarh block area. 1st category stone aggregate (20 mm nominal size) , any worksites within bishalgarh block area. 1st category stone aggregate (12.5 mm nominal size) , any worksites within, charilam block area.1st category stone aggregate (20 mm nominal size) , any worksites within, charilam block area.1st category stone aggregate (12.5 mm nominal size) , any worksites withinjampuijala block area. 1st category stone aggregate (20 mm nominal size) , any worksites withinjampuijala block area. 1st category stone aggregate (12.5 mm nominal size) , any worksites withinboxanagar block area .1st category stone aggregate (20 mm nominal size) , any worksites withinboxanagar block area . 1st category stone aggregate (12.5 mm nominal size) , any worksites withinmohanbhog block area.1st category stone aggregate (20 mm nominal size) , any worksites withinmohanbhog block area. 1st category stone aggregate (12.5 mm nominal size) , any worksites withinnalchar block area. 1st category stone aggregate (20 mm nominal size) , any worksites withinnalchar block area. 1st category stone aggregate (12.5 mm nominal size) , any worksites withinkathalia block area.1st category stone aggregate (20 mm nominal size) , any worksites withinkathalia block area.1st category stone aggregate (12.5 mm nominal size)