C-DAC is Central government Course, It is 6 months Post Graduation Diploma in Advanced Computing...Search on google about C-DAC course...you will get detailed information about it...now, c-dac starts it course commencement in August 2016 Batch( location Pune, Banglore , Hydeabad)..for august 2016 batch they conduct online entrance exam in May-June month...for that exam you have to prepare quantitude aptitude, verbal -non-verbal ability, english and basics of core compuer science subjects only(like OS, DAA,DS,C,CNW etc.) and attend exam