1. Chambal River is a major river flowing in Central India. This river mainly flows in Madhya Pradesh, but some of it also flows in Rajasthan and Uttar Pradesh. Chambal River is a tributary of the Yamuna River.

2. Chambal River originates from Janapav mountain in the Gwalior district of Madhya Pradesh. This river flows northwards and passes through the Chittorgarh, Dholpur and Sawai Madhopur districts of Rajasthan. After this, the river flows through the Dhar, Ujjain, Ratlam, Mandsaur, Bhind and Morena districts of Madhya Pradesh. Finally, this river joins the Yamuna River in the Etawah district of Uttar Pradesh.

3. The length of the Chambal River is approximately 960 kilometers. This river is the biggest tributary of the Yamuna River. The catchment area of the Chambal River is approximately 72,000 square kilometres.

4. Chambal river water is used for irrigation, hydropower generation and transportation. Four major dams have been built on the Chambal River: Gandhi Sagar Dam, Rana Pratap Sagar Dam, Jawahar Sagar Dam and Kota Barrage. These dams provide water for irrigation and also generate hydroelectricity.

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. The length of the international border of Rajasthan is 1070 km which extends from Hindumal Kot (Ganganagar) to Shahgarh, (Barmer).

List-I and List-II are correctly matched.

 List - I River          List - II Place of origin

( A ) Sabi                ( ii ) Sevar Hills

( B ) Berach           ( I ) Gogunda Hills

( C ) Kantali           ( iv ) Khandela Hills

1. Sei Dam is an earthen gravity dam on the Sei River, a tributary of the Sabarmati River, in Kotra tehsil of Udaipur district, Rajasthan, India.

2. The primary objective of the dam is to store water for diversion in Jawai Dam in Pali district.