Articleship completion form not signed by ca

My training will be completed on 20.07.2012. I regularly attend the office till 13.06.12 but since jan'12 there was no such attendance register there so i have no proof for attendance for these 6 months. My Principal threat me that he will not signed my training completion form. However i have took the photo copies of attendane record till jan'12. Please suggest me what can I do??? Can I send the unsigned form??? please send me your suggetions.