How to fill form 108

Nagarjuna Baabu (Apprentice) (35 Points)

25 August 2013  
After completion of PE II . I took apprenticeship on 18 sep 2009 and completed 3 years of service as on 17 sep 2012 but I haven't applied for completion certificate till date, I know its a big mistake. It has been almost a year plz plz advice