Explanation:

- The separation of the Railway Budget from the General Budget in India was initiated to ensure focused financial management and autonomy for the vast railway network.

- This separation allowed for better coordination and planning within the railway sector, highlighting its importance to the economy.

- The historical decision for this separation was taken under the Separation Convention of 1924.

- The Separation Convention of 1924 allowed for distinct management and presentation, tailored to the needs and development goals of the railways.

- Correct Answer: Separation Convention of 1924