Doing diploma in elec. eng. third year + 2yrs back. I an thinking of doing direct 12th, continuing the diploma. Just tell me IS IT POSSIBLE?

Doing Diploma in Electrical Eng. 3rd(2013) year and now 2 yrs back(including this one). I want to do direct 12th continuing Diploma. is it possible to do 2 courses at same time. Maharashtra - pune - daund. No matters is is private collage or not. just tell me is it possible? Thank you