Tanka is an underground reservoir built to store rain water. The tanka usually has a square or rectangular shape and is constructed from clay or stone. A wall is built around the tanka so that rain water can collect in it.

1. Although Rajasthan is not rich in this mineral, the deposits available are of high quality (hematite and magnetite).

2. Most of the ore found in the form of hematite is found in small deposits which were mined uneconomically.

3. Some magnetites are also found at various places.

4. Iron ore in the state is found in the north-eastern and south-eastern parts of the state.

1. Bhapang is a rare single-stringed musical instrument affectionately known as the 'talking drum'.

2. It originates from the Mewati community in Alwar district. It is known as Chongar in Maharashtra, Apang in Gujarat and Tumba in Punjab.

3. Zahoor Khan Mewati was a famous artist who played Bhapang.

4. It is mainly played by Jogis in the Alwar region.

1. The folk instrument used by Bhopa in 'Pabuji Ki Phad' is Ravanahatha. It is a type of musical instrument made of a coconut bowl. There is a hole at the bottom of this bowl and there is a wooden stick in this hole. Bhopa sings 'Pabuji ki Phad' by playing this stick.

2. 'Pabuji Ki Phad' narrates the life and bravery of Pabuji, the folk deity of Rajasthan. It is a type of folk painting which is made of cloth. 'Pabuji Ki Phad' is sung by Bhopa. Bhopa plays Ravanahatha while singing 'Pabuji Ki Phad'.

Major passes of Aravali mountain range in Rajasthan-

1. Dhebhar Naal – Udaipur

2. Kewra ki Naal- Udaipur

3. Phulwari Naal- Udaipur

4. Hathi Naal- Udaipur

5. Cord of elephant jaggery – Rajsamand

6. Pagalya/Jeelwa/Chirwa's canal - Rajsamand - Pali

7. Khamli Ghat / Kamli Ghat- Rajsamand

8. Goram Ghat- Rajsamand