1. Maldev was an Indian ruler of Marwar, later known as Jodhpur.

2. Maldev expanded the Jodhpur fort and strengthened the structure around Ranisar.

3. Chidyanath was defeated due to encroachment in the fort area.

4. His queen Swaroop D Jhali, who built 'Bahuji Ro Talab' near Mandore.

1. Four rivers (Rupangarh, Mentha, Khari, Khandela) fall into Sambhar Lake. Salt is produced on a large scale from this lake.

2. Sambhar Lake: This is a salt water lake located near Jaipur city in Rajasthan state of India. This lake is situated at an altitude of 1,200 feet above sea level.

Rajasthan is a mineral-rich state and has a diversified economy having agriculture, mining and tourism as its main engines of growth.

Ahad archaeological site was known by the name 'Tamravati' in ancient times. This archaeological site is located in Udaipur district of Rajasthan. This place is situated on the banks of the river Ahad. The Ahad culture is a Chalcolithic culture that flourished from 3000 BC to 1500 BC. It is adjacent and contemporary to the Indus Valley Civilization. It is also called Banas culture.