Answer : 1. "1953"
Explanation :

1. The Planning Department in Rajasthan was established in July, 1953. The main objective of establishing this department was to prepare a plan for economic development in the state. This department is headed by the Chief Minister.

2. The major functions of the planning department include-

- Preparing plans for the economic development of the state

- Monitoring the implementation of plans

- Evaluating plans

- Arranging funds for projects