April 2 (SeeNews) - The government of Bosnia's Serb Republic said it has approved a first-tranche payment of 58.7 million marka ($32.4 million/30 million euro) to Cyprus-based Comsar Energy Group as part of plans acquire full ownership of joint venture company Comsar Energy RS and thus ensure uninterrupted coal supply to government-controlled thermal power plant RiTE Ugljevik.