2. (1) For the purpose of prevention of malaria, the Government or any person authorised by it in this behalf may,- (a) formulate schemes and adopt co-ordinated measures for prevention of malaria; (b) lay down the policy in accordance with which the Directorate of Health Services shall execute any such schemes or measures; (c) evaluate and assess the execution of the schemes and measures; and (d) have overall responsibility for the success of any such schemes or measures. (2) A scheme or measure formulated or adopted under sub-section (1) may relate to- (a) the spraying of buildings and other premises with insecticides; (b) the survey of the country; (c) the medical examination of the people; (d) the treatment of persons suffering or suspected to be suffering from malaria; (e) the delimitation of malarious areas and the areas free from malaria and measures to prevent appearance or re-appearance of malaria in the latter areas; and (f) such other measures considered necessary for carrying out the purposes of this Ordinance.