refilling of existing expired abc type fire extinguishers at different buildings of college street campus university of calcutta.-1 refillig of existingexpired abctype6 kg /5kg fire extinguishers at different floors of the different buildings ofcollege street campus university of calcuttaincludingfitting and fixingcomplete in all respect the agency mustvisit the site before quoting 2 refillig of existingexpired abctype 4kg fire extinguishers at different floors of the different buildings ofcollege street campus university of calcuttaincludingfitting and fixingcomplete in all respect the agency mustvisit the site before quoting 3 refillig of existingexpired abctype 2kg fire extinguishers at different floors of the different buildings ofcollege street campus university of calcuttaincludingfitting and fixingcomplete in all respect the agency mustvisit the site before quoting