In a significant achievement in the efforts to boost the country's nuclear energy programme, a large deposit of uranium has been discovered in Rohil in Rajasthan's Sikar district. Officials said there are reserves of about 5,185 tonnes of uranium ore in the central part of Rohil but it is of low grade.

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.

Rabi season crops – Rabi crops are generally sown in the months of October and November and harvested from April to May.

Major crops of Rabi season – wheat, barley, gram, mustard, peas, berseem, rizka, green fodder, lentils, potato, rye, tobacco, lahi, oats, linseed and sunflower etc. Rabi season crops require low temperature at the time of sowing, hence they are sown in winter season. There should be a dry and warm environment for them to ripen.