Two month strategy plan

I started 2 months strategy plan but it is taking a lot time in a day like 5 to 6 hours i plan to give GRE in august end how should i manage those videos plus practice .as i have to devote daily 4 to 5 hours to my academic studies , 2 hours to my other courses and 3 hours to my internship .
Any way to change the study plan? Please guide me

This video should help - Two-Month Office Hours - GregMat.