Harsshu,
For second term:
Switch Engineer 1P03 to C02
Switch MATLS 1M03 to C02
Switch ECON 1B03 to C01
This will allow you to finish 2 hours earlier on Monday and Thursday, as well as 5 hours earlier on Wednesday.
For first term:
Switch Physics 1D03 to C03 fast! Lets you sleep in much later!
If you'd rather your Math 1Z04 to end earlier, switch that one to C02, but this will make you end 1 hour later on Friday. You'd also have to move your Engineer 1C03 tutorial to 8:30 or 14:30 on whichever day fits. If you don't move the math, I suggest you switch your Thursday physics lab to the same time on Monday so you don't have a long lab then math class.