Admission in cs inter/executive

Hello all,

                I am a law graduate and pursuing MBL.I want to pursue CS Executive

.Let me know-

1.Is there any diffrence between CS Executive and CS Inter.

2.I am planning to give examination next year after june ,so when I should take admission

3. Is there any exemption for me in any paper because of my law degree.

Thanks,

Farhat jahan