does not include any activity of the Government relatable to the sovereign functions of the Government including all activities carried on by the departments
other country or countries; (c) any enterprise which performs a sovereign function on behalf of the Central Government or a State Government: Provided that ... engaged in any activity including the activity relatable to the sovereign functions of the Government, the Central Government may grant exemption only in respect
does not include any activity of the Government relatable to the sovereign functions of the Government including all activities carried on by the departments