Ok :

7:00 - 8:00 : Revise formulas and plan what subjects/chapter you have to study today.(and doo all the morning stuff like eating...)

8 -12 : Class

12 - 12:30 : Take rest

12:30 - 1:30 : Study

1:30 - 2:30 : Lunch/Sleep(sleep is important)

2:30 to 5:30 : Study

5:30 - 6 : Break

6:00 - 9:00 : Study(Pomodoro method)

9 - 9:30 : lunch

9:30 - 11:30 -Study

You can reduce the lunch time if you want.

All the best for JEE.