1. The Green Revolution was actually adopted by both India and Pakistan. It involved the introduction of high-yielding varieties of seeds, the increased use of fertilizers and irrigation, and improved agricultural techniques, leading to a significant increase in agricultural production.

However, the adoption of the mixed economy model of development was a common strategy that both India and Pakistan implemented. The mixed economy model combines elements of the free market system with government intervention and regulation.

Bringing all critical sectors and enterprises of the economy under government control was not a policy adopted by both countries at some point, emphasizing state control over key industries and sectors for planned economic development.

Import substitution-based industrialization was also a strategy adopted by both India and Pakistan. It involved the promotion of domestic production of goods to replace imports, with the aim of achieving self-sufficiency and reducing dependency on foreign imports.

Therefore, based on the options provided, the one that was not adopted by India and Pakistan is:

(3)emphasizing state control over key industries and sectors for planned economic development.