Rishi, how about this one:
1 = 1
or, 1^2 = 1^2
or, 1^2 = (-1)^2
or,(3-2)^2 = (2-3)^2
now, taking square root on both sides:
3-2 = 2-3
or, 3 + 3 = 2 + 2
or, 6 = 4
or, 3 = 2
Hence, this proves that 2 = 3
This is simpler, isn't it :-P
P.S: I am not an engineer