1. Red and yellow soils are found in the Sirohi, Bhilwara, Sawai Madhopur and Ajmer districts of Rajasthan.

2. The soil has acquired a yellow colour due to a high level of hydration of ferric oxide. The pH of this type of soil ranges between 5.5 to 8.5.

3. Silt loam to silt-clay loam are common in this area.

1. Maximum production of maize is in the southern and south-eastern parts of Rajasthan. These areas have high temperatures and rainfall, which is favourable for maize cultivation.

2. Highest producing districts of maize in Rajasthan which include Bhilwara, Chittorgarh, Udaipur, Banswara, and Dungarpur.

1. Banganga River originates from Bairath Hills in Jaipur.

2. It flows through Modhapur, Bharatpur and Fatehabad and joins Yamuna.

3. Jamwa Ramgarh Dam is built on this river in Jaipur.

4. It is also known as Rundit Sarita.

5. Banganga river has many tributaries like Gumti Nala, and Suri rivers on the right bank and Palsan and Sawan rivers on the left bank.

1. 'Bithri Wind Energy Project' has been established in Jodhpur district of Rajasthan.

 2. This is the third wind energy project of the state, which has been established in Mas Bithadi village of Phalodi town.