I want to do One year P.G diploma in computer application by distance mode. Please suggest me the institute,fee & also the job opportunities

I am currently working with a Govt. office as Junior Assistant, My total exp. is 3.2 yrs in govt. & private sector as computer-cum-clerk. I just want to grow my career. I 'm' a B.com graduate. Now I want to do One year P.G diploma in computer application by distance mode. Please suggest me the insti