KUALA LUMPUR (AFX-ASIA) – The first unit of Tenaga Nasional Bhd’s Janamanjung plant located in Manjung, Perak will be operational from January, ahead of its scheduled operational date in September, TNB Janamanjung Sdn Bhd chairman Raja Ahmad Zainuddin Raja Omar said. TNB Janamanjung is a wholly-owned unit of Tenaga. Bernama news agency quoted Raja Ahmad…