A NOVEL CARTRIDGE FOR DELIVERY OF LOW MOLECULAR WEIGHT HEPARIN The present invention pertains to a novel cartridge for delivery of low molecular weight heparin comprising: a) a housing assembly (400) b) a mechanical device termed as plunger (500) for generating force capable of pushing a drug present in the drug reservoir (300) c) drug reservoir (300) may contain markings such as (350) and (375) which would indicate the dose delivered d) upper section of the housing assembly (400) attached via a neck portion (250) closed by a cap (100) and sealed by metal disc (200). The novel cartridge of the present invention is composed of COP and is used for delivery of fondaparinux. The novel COP cartridge of present invention keeps the drug stable for longer period of time with efficient control of impurity and microbial contamination, thereby maintaining sterility of the drug.