1. The state tree of Rajasthan is Khejri. This tree is found in about two-thirds of the total geographical area of the state and has great importance culturally and economically.

2. The scientific name of Khejri is Prosopis cinerea. It is a drought-tolerant tree that can survive even in areas with low rainfall. This tree is found in desert areas and is found in abundance in the Thar Desert of Rajasthan.

1. The longest period of light in Rajasthan is on 21st June. On this day the sun's rays fall vertically over Rajasthan.

2. This day is called the summer solstice, which is the longest day of the summer season.

According to Census 2011, the sex ratio of Rajasthan (0-6) was 888 females per 1000 males. The sex ratio in rural areas (0-6) years was 892 females per 1000 males and the sex ratio in urban areas was 874 females per 1000 males.

1. The Indira Gandhi Canal is the main canal of Rajasthan. Its old name was "Rajasthan Canal". It flows in the northwestern part of Rajasthan state. It is also called Maruganga of Rajasthan.

2. Rajasthan Canal Board (present name Indira Gandhi Canal Board) was formed in the year 1958.

1. Eastern Plains Region: Extension - The region situated east of the 50 cm rainfall line in Rajasthan is known as the Eastern Plains Region. This region is formed by rivers, which is why it is called a river basin or region.

2. The eastern plain is mainly divided into three parts.

- Chambal River Basin

- Banas River Basin

- Mahi River Basin

1. Most storms in Rajasthan occur in the Sriganganagar district. In Sriganganagar district there are dust storms for about 27 days in the months of May and June. After this there is Bikaner and Jodhpur.