procurement of medical stores , drugs , apparatus anaesthetic face mask ( antistatic ) with air cushion transparent size -3 adult with valve ( anaesthtic brand anatomical face mask ) , 7 . 0 fr double- lumen , 15-16 cm silver - impregnated central venous catheter with guidewire , dilator and fixation device , arterial leader catheter 20 g with guidewire , 5% sodium hypochloride , disposable sterile ot towels , fog free surgeons mask ( pleat syle with ties foam and yellow ) box of 50 , antiseptic liquid containing chlorhexidine gluconate solution 0 . 2% w/v in a surfactant base with emolient & moisturiser , epidural kit with 18-19g tuohy needle 20/21 g polyurethane catheter lor syringe and bacterial filter , pressure infusion bags 100 ml , needle for spinals anaesthesia 26 g , gel filled head stabilizing ring ( paed size ) , pressure infusion bags 500 ml , apparatus anaesthetic face mask ( antistatic ) with air cushion transparent size -4 ( anaesthtic brand anatomical face mask ) , inj thiopentone inj of 0 . 5 g without water for injection , epidural anesthecia kit with 16/17g tuhoy needle , 18g catheter lor syringe and bacterial filter , gel filled head stabilizing ring ( adult size ) , inj lignocaine hcl solution 2% for iv use , 50 ml , half gown water proof , maplesom non rebreathing system ( brains circuit ) , needle for spinals anaesthesia 25g