Hey Joshi

written exam includes Maths - upto 10th class,Reasoning,General knowledge and aptitude,General science.

psychological test  is conducted to test your presence of mind an quickwit, decision making skills . It includes 5–6 tests each test  of around 5- 10 minutes you have to be very quick for doing 50 questions in 5 minutes. There are books available in market for psychological test .

hope this helped

all the best