It will get cancelled automatically if remains in WL after charting and money will be refunded to your account within 3-4 working days after deducting Cancellation charges + irctc charges + PG charges (if any).
2) If you cancel it before charting cancellation rules of general WL ticket is apply. money will be refunded to your account within 3-4 working days after deducting Cancellation charges + irctc charges + PG charges (if any).