RAJASTHAN RIVERS
Banas River Basin is located in east-central Rajasthan, it is bounded by the Luni Basin in the west, the Shekhawati, Banganga and Gambhir Basins in the north, the Chambal Basin in the east, and the Mahi and Sabarmati Basins in the south.
The Basin extends over parts of Jaipur, Dausa, Ajmer, Tonk, Bundi, Sawai Madhopur, Udaipur, Rajsamand, Pali, Bhilwara and Chittorgarh Districts.Orographically, the western part of the Basin is marked by hilly terrain belonging to the Aravali chain.
2. Drainage
River Banas originates in the Khamnor hills of the Aravali range (about 5 km from Kumbhalgarh) and flows along its entire length through Rajasthan. Banas is a major tributary of the River Chambal, the two rivers meeting near village Rameshwar in Khandar Block in Sawai Madhopur District. The total length of the river is about 512 km.
The main tributaries of Banas are Berach and Menali on the right, and Kothari, Khari, Dai, Dheel, Sohadara, Morel and Kalisil on the left.
3. Rainfall
The mean annual rainfall over Banas Basin is around 541 mm of which about 95% falls during the four Monsoon months (June-September)
4. Existing Surface water Projects
There are 7 Major (Rajsamand, Meja, Chhaparwara, Kalakh Sagar, Tordi Sagar, Morel Bund and Galwa Bund), 33 Medium and 1,219 Minor irrigation projects in Banas River Basin, as well as several small irrigation systems (covering less than 20 ha) constructed and operated by Panchayat Samities (PS).
5. Ongoing Surface Water Projects
23 irrigation projects including two Major (Gosunda and Bisalpur Irrigation Project), with a total live storage capacity of 1,061 Mm3, are under construction in Banas River Basin. An additional area of 89 kha is planned to be irrigated on completion of these projects.
6. Proposed Surface Water Projects
56 irrigation projects, including 2 Major (Isarda and Kala Khera), with a total live storage capacity of 564 Mm3, have been proposed by the ID in this Basin. An additional area of 94 kha will be irrigated on completion of these projects.
Tributaries: Berach, Kothari, Khari, Dai, Mashi, Sohadara, Morel, Kalisil, and Dheel.
Tributaries of Banas on the Left side
1. Kothari ==>>River Kothari originates in the eastern slopes of the Aravali range near Horera village in Bhilwara District. The river flows through Rajsamand and Bhilwara Districts for about 51 km in a hilly region, and 100 km through plains, before joining the Banas near Nandrai village in Bhilwara District.
Tributaries: Bahamani
2. Khari ==>>River Khari originates in the hills near Deogarh in Rajsamand District. It flows northeast for about 192 km through Udaipur, Bhilwara and Ajmer Districts before joining the Banas river near Chosala village in Ajmer District.
Tributaries: Nekhadi and Bara rivers on left and Mansi river on the right
3. Dai ==>>River Dai originates in the southeastern slopes of the Aravali range, near Nasirabad Tehsil of Ajmer District. It flows southeast for about 40 km and east for about 56 km in Ajmer District and for a short reach through Tonk District, before joining Banas river near Bisalpur village in Tonk District.
Tributaries: A large number of nallahs join River dai in Ajmer and Tonk Districts.
4. Mashi ==>>River Mashi originates in the hills near Kishangarh in Ajmer District. It flows east and then south for about 96 km in partly hilly and partly plain areas of Ajmer and Tonk Districts before joining Banas river near Tonk. As Sohadara has been considered by the ID a separate Sub-Basin of Banas its description is given below.
Tributaries: Bandi(near Dhdu) and Sohadara
5. Sohadara ==>>River Sohadara originates in the hills East of Ajmer. It flows eastwards for about 100 km in Tonk District before joining Mashi river near Dhundia village.
6.Morel ==>>River Morel originates in the hills near Dharla and Chainpura villages in Bassi Tehsil of Jaipur District. It flows southeast for 29 km, then southwest for 35 km, up to the confluence with river Dhund, and then southeast for 83 km in Jaipur and Sawai Madhopur Districts, before joining Banas river near Hadoli village in Karauli Tehsil of Sawai Madhopur District.
Tributaries: Dhund, Kankrauli and Kalisil rivers
7. Kalisil ==>>River Kalisil originates in the hills near Rajpura village in Sawai Madhopur District. The river flows generally southwest, partly through hills and partly in the plains of Sawai Madhopur District, for about 48 km, before joining Morel river.
8. Dheel ==>>River Dheel originates in the plains near Bauli village in Tonk District. The river flows generally from north to south in Jaipur, Tonk and Sawai Madhopur Districts, for about 64 km, before joining Banas river near Philpura village in Sawai Madhopur District.
Tributaries: Gudia river
Tributaries of Banas on the Right side
1. Berach ==>>River Berach originates in the hills northeast of Udaipur city. It flows northeast for about 157 km in Udaipur, Chittorgarh and Bhilwara Districts before joining the Banas near Bigod village in Mandalgarh Tehsil of Bhilwara District. It flows in a hilly region up to Badgaon reservoir and then through plains.
Tributaries: Ayar, Wagli Wagon, Gambhiri and Orai.
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