Compensation under Employee compensation act Part A Schedule 3 - if an employee catches an occupational disease

Hi, Under Schedule 3 Part A employer is liable to pay compensation to an employee if an employee catches an occupational disease
1. What type of disability will it go under this act
2. How do we calculate the compensation in this case.
3. What is the procedure of payment
4. Do we intimate the department

Dear ,
Can any one suggested us how we can wave off the ESIC from the WCC Act ?