1. Four rivers (Rupangarh, Mentha, Khari, Khandela) fall into Sambhar Lake. Salt is produced on a large scale from this lake.

2. Sambhar Lake: This is a salt water lake located near Jaipur city in Rajasthan state of India. This lake is situated at an altitude of 1,200 feet above sea level.

1. Although Rajasthan is not rich in this mineral, the deposits available are of high quality (hematite and magnetite).

2. Most of the ore found in the form of hematite is found in small deposits which were mined uneconomically.

3. Some magnetites are also found at various places.

4. Iron ore in the state is found in the north-eastern and south-eastern parts of the state.

1. In the year 1960-61, seven districts have been covered under the 'Intensive Agricultural District Programme'.

2. This was the first major experiment of the Government of India in the field of agriculture.

3. It was also known as a "package program".

4. This program was started in 1960 after the shine of the community development program had faded.

5. The main objective of this scheme was to provide loans to farmers for seeds and fertilizers.

6. This program was started in collaboration with 'Ford Foundation'.