Exemption realted query

Hai,

can anyone tell me the details of exemption in a paper

my queries are:

1. This is my 4th attempt of ca final , do i will get exemption if i will get above 60 ?

2. In how many papers i can take exemption i.e if i get above 60 in more than one paper do i will take it or any conditions in that?

3. After availing exemption what is the score i should get in that group to clear it ?

please give me replies for all these questions and also any further information in this regard immediately