Astana. February 9. Kazakhstan Today - The Prime Minister of Kazakhstan, Karim Masimov, at the selector government session today charged the Minister of Energy and Mineral Resources of Kazakhstan, Sauat Mynbayev, not to admit increase of the prices on the combustive-lubricating materials, the agency reports. "Now the prices need to be kept through KazMunaiGas system until further instructions," K. Masimov said, addressing the Minister of Energy and Mineral Resources of Kazakhstan, Sauat Munbayev.