The correct answer is 1.

• COPPER - In the State, copper deposits are located in the districts of Jhunhunu, Sikar, Sirohi, Udaipur, Bhilwara, Ajmer, Alwar, Bharatpur, Chittorgarh, Rajsamand, and Dungarpur.
  • With resources of 809.09 million tonnes, the State possesses a substantial share of 54% of the total resources of the country.
  • The State is the second leading producer of copper concentrate contributing 41% of the nation’s output. 
• MANGANESE - In Rajasthan Manganese deposits mainly occurs in the districts of Banswara where it is confined to a belt extending from Guraria to Rathimuri over a distance of 22 Km.
  • The main deposits are located at Sivania, Kala-Khunta, Ghatia, Lilwani, Itala, Tambeshra, and Kheria.
  • Small deposits of manganese are also located near village Negadia (Rajsamand), Choti-Sar, Badi-Sar (Udaipur).
  • A total of 5.78 million tonnes of resources of Manganese have been estimated in the State.
• Tungsten - It is a metal of strategic importance. The chief source of Tungsten are wolframite [(Fe,Mn,)WO4], and scheelite (CaWO4).
  • The State has about 23.92 million tonnes of resources of tungsten ore which is about 27% of the total country’s resources.
  • Important deposits occur near Degana, district Nagaur & near Balda and Uduwaria, district Sirohi.
  • Degana & Balda were the only operative mines producing meager quantities of concentrate.