The area in the vicinity of which among the following was earlier known as “Jangal Desh”?

The area in the vicinity of which among the following was earlier known as “Jangal Desh”?
[A]Jodhpur & Bikaner
[B]Bharatpur & Alwar
[C]Nagaur & Sikar
[D]Jaipur & Ajmer
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