tender for contract for providing labour for management of guest house including catering and housekeeping services at csir-iicb guest house at cn-6 , sector-v , salt lake , kolkata-700091 . guest house management and house-keeping services providing labour and related non-consumable materials and machinery supply services , total minimum wages for the workers as per tender: skilled worker : 1 nos x rs . 733/- = 7 , 33 . 00 semi-skilled worker : 2 nos . x rs . 666 = 1 , 332 . 00 un-skilled worker : 6 nos . x rs . 603 = 3 , 618 . 00 . . total basic for 9 personnels per day = 5 , 683 . 00 , employer share of provident fund @13 . 00% ( as per existing epf rule ) , employer share of state insurance/esic @3 . 25% ( as per existing esic rule ) , bonus @ rs . 7000/- per year i . e . rs . 583 . 33 per month ( as per existing bonus rule ) , fixed cost for hiring of non-consumable materials & mechinery charges per month ( fixed cost for entire period of contract ) including its in-built gst towards supply .