March 24 (Reuters) - Advancecon Holdings Bhd ADVN.KL : * UNIT ACCEPTED LETTER OF AWARD FROM G&P PROFESSIONALS * DEAL FOR 56.6 MILLION RGT * LOA FOR APPOINTMENT OF UNIT AS CONTRACTOR FOR CONSTRUCTION, OTHERS FOR F&N AGRIVALLEY Further company coverage: ADVN.KL ((Reuters.Briefs@thomsonreuters.com;))