Concept:Commercialisation is the policy that forces public enterprises to run like private businesses and aim for profit.
Explanation:Public corporations are government-owned companies.
Their main goal is usually to provide services, not earn money.
Liberalisation means opening the economy to private competition.
Nationalisation means bringing private firms under government control.
Indigenisation means transferring ownership to local citizens.
Commercialisation specifically makes public enterprises operate profitably.
So the correct policy is commercialisation.
Answer:C. Commercialisation.