When can NALSA call for the services of Senior Advocates?

When the member secretary feels it important When the Supreme Court orders the Authority to call senior advocate When the Chairman of Legal Service Authority feels cases of great public importance When the condition mentioned in the Legal Services Authorities Act 1987 are satisfied

When the Chairman of Legal Service Authority feels cases of great public importance

The correct answer is Option (3) → When the Chairman of Legal Service Authority feels cases of great public importance