procurement of drugs and consumables items:-1 lateral mass screw set- 12 x 3.5 mm, 2 lateral mass screw set- 14 x 3.5 mm, 3 cross link for lateral mass screws set 4 connecting rods for lateral mass screw 5 titanium top opening pedicle screws 4 x 25 mm 6 titanium top opening pedicle screws 4 x 30 mm 7 titanium top opening pedicle screws 4 x 35 mm 8 titanium top opening pedicle screws 4 x 40 mm 9 titanium top opening pedicle screws 5 x 35 mm 10 titanium top opening pedicle screws 5 x 40 mm 11 titanium top opening pedicle screws 5 x 45 mm 12 titanium top opening pedicle screws 6 x 30 mm 13 titanium top opening pedicle screws 6 x 35 mm 14 connecting rods for pedicle screws 15 cross link for predicle screw system 16 plif cage peek assorted 17 anterior cervical integrated screw peek spacer assorted 18 anterior cervical plate screw system- complete / single level material 19 anteriro cervical plate screw system-large / two or more levels 20 polypropylene blue monofilament 70-75 cm size 3 / 0, 3 / 8 circle rb 13-25 mm ( 17 mm needle, taper point ) 21 polypropylene blue monofilament 70-75 cm size 4 / 0, 1 / 2 circle rb 25 mm double needle ( 1 / 2 circle, taper point ) 22 polypropylene blue monofilament 70-75 cm, size 5 / 0 3 / 8 circle rb, 12-18 mm double needle ( 13 mm needle, taper point ) 23 synthetic absorbable polygalactin 910 / polyglycolic acid coated with poly caprolate size 1 / 0, 70-90 cm 1 / 2 circle, reverse cutting, 30 - 40 mm ( 37 mm needle, 1 / 2 circle, reverse cutting, thread 90 cms , glycolide coating ) 24 glycolide / lactide sutures 3 / 0 reverse cutting ( 3 / 8 circle, 19 mm, 75 cms thread ) 25 barbed monofilament, knotless polyglyconate ( 3 - 0, cutting, 3 / 8 circle, 19 mm, 15 cm thread ) 26 surgical patties 20 mmx 50 mm 27 surgical patties 10 mmx 15 mm 28 craniotomy drapes with adhesive window 29 mayostan cover steril 30 table cover barrier water proof steril 31 raney clip ( pack of 10 ) 32 cranial fixation plaster ( two hole straight ) 33 cranial fixation plate ( y shape ) 34 cranial fixation screws for plates 35 water proof gowns 36 laminospinal drape 37 cancellous bone chips 38 burr hole covers 39 cranial mesh plate titanum with screws set 40 cranio fix absobable 41 external csf drainage system complete set 42 durapatch assorted size -non absorbable 43 durapatch assorted size -stretchable silicone sheet