IGNOU CDM Assignments - Download IGNOU CDM - Certificate Programme in Disaster Management (CDM)Latest Assignments of December 2012. Certificate Programme in Disaster Management (CDM)Students need to submit the assignments by September 30, 2012. Assignments should be submitted to the Coordinator of your IGNOU Study Center. Obtain a receipt from the Study Centre towards submission. Students will not be eligible to appear in the Term End Examination of a course until you submit the assignment of that course.