TOKYO - Asahi Mutual Life Insurance Co. will accelerate its plans to sell 500 billion yen worth of shareholdings and carry out further job cuts, company sources said Wednesday. The insurer had planned to sell 500 billion yen of its shareholdings over the next three years. It will also accelerate its medium-term business plan, which covers fiscal 2001-2003, to prepare for integration with Tokio Marine & Fire Insurance Co. and other insurers to form the Millea insurance group.