In Rajasthan, the population density in Jaisalmer, Barmer and Bikaner districts is less than 100 persons per square kilometre.

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. Sevan grass grows widely in Jaisalmer district.

2. Found mainly in the dry areas of western Rajasthan in the country.

3. This grass can tolerate drought due to welldeveloped root-rhizomes system.

4. Due to which it grows easily in the sandy soil of areas with less rainfall.

5. Its fodder is digestive and nutritious for animals.

Gir Cow: This breed is found in Rajasthan, Gujarat and Maharashtra. It is also called Desan, Gujarati, Surti, Kathiawadi, and Sorathi. Its body is red in color with white spots, dome-shaped head and long ears. This cow gives an average of 2110 milk per calving.

Rathi Cow: The origin of this breed is Rajasthan. This breed is spread in Thar Desert, Bikaner, Ganganagar and Jaisalmer districts of Rajasthan. Its skin is mainly brown in color with white spots on it and sometimes its skin is black or brown in color with white spots on it. The lower part of its body is lighter in color than the rest of its body. Its wide mouth, long tail and hanging skin are soft and loose. It produces an average of 1000-2800 kg in one calving. At the time of first calving, the age of a cow of this breed should be 36-52 months and its one calving period is 15-20 months.