Answer : 1. "Sabi- Banganga - Berach - Som "
Explanation :

The correct order of drainage basins from north to south is

Sabi - Banganga - Bedach - Mon

1. The Sabi river originates near the Dhara Ji temple of Ajitgarh in the Sikar district of Rajasthan. This river originated from Rajasthan, Haryana and then fell into Yamuna from Najafgarh in Delhi.

2. Banganga begins in the hills near Bairath in Jaipur district.

3. The Bedach River originates from the Gogunda hills of Rajasthan. Initially, this river was called the Ayad River. The total length of this river is 190 km. Is.

4. It originates near Amarkantak in Anuppur district of Madhya Pradesh, which is located east of the source of Narmada River in the Vindhyachal Hills.