supply of material under the work of sr to restoration of fallen down north west corner bastion at salimgarh fort delhi supply of material under the work of sr to restoration of fallen down north west corner bastion at salimgarh fort delhi , conservation work , unslaked lime in proper packing , coarse sand ( free from dust & foreign materials ) , surkhi of 1st class bricks ( free from dust &foreign materials ) , belgiri ( yellow colour ) , gur ( desi ) , gum ( babool ) , brick agg. ( 20mm to 25mm ) , brick zeera , molasses , d.q stone ( square shape ) , d.q stone ( for filling & masonry as per requirement at site ) , coir rope , removal of malba