procurement of medical stores , drugs , percutaneous pedicle screw with top nut ( size 5 . 5 x 50 ) , titanium standard aneurysm clip permanent slightly curved 7 mm ( sterile pre-packed ) , titanium standard aneurysm clip permanent 9 mm slightly curved ( sterile pre packed ) , bone wax , titanium standard aneurysm clip permanent 11 mm straightly ( sterile pre packed ) , c-arm cover , percutaneous pedicle screw with top nut ( size 5 . 5x45 ) , dissecting tool bali 4 mm ( 9ba40 ) , goyal atlanto- axial spacer with plate & screw ( set of one spacer , one plate and two screw ) , surgical snow 2x4cm/ 4x8cm , surgical fibrillar 2 inch x 4 inch , seal foam box of 10 , fibrin glue 2 ml , titanium fenestratd aneurysm clip permanent straight 7 mm ( sterile pre- packed ) , titanium fenestrated aneurysm clip permanent straight 9 mm ( sterile pre- packed ) , percutaneous pedicle screw with top nut ( size 5 . 5x40 ) , percutaneous pedicle screw with top nut ( size 4 . 5x40 ) , percutaneous pedicle screw with top nut ( size 4 . 5x35 )