Select the socio-economic framework that most accurately defines the constitutional mandate of 'Democratic Socialism' in India:
An economic system demanding the absolute nationalization of all production and the eradication of private property rights.
An economic system strictly adhering to unregulated market dynamics to achieve total global integration.
An economic system heavily biased toward state-owned monopolies designed to crush private capitalist ventures.
An economic system anchored in a 'mixed economy' permitting the peaceful coexistence of both public and private sectors.