I have divided my day into three portion every portion contains reading, making notes and writing practice respectively. Means each portion has its 4 hours. However, some time I study more than 14 hours and some times 8 hours due to some other works. I have made my strategy for 8 months, in every month I start a new subject, and after completing it, again I start a new one subject and repeat the previous one. It is a cycle of my subjects which are being prepared exclusively. For further information, if you want my time table and strategy plan, I can mail you. You can follow it and make your own time table of 12 hours according to your own routine. Thanks..