15.
Among crop production, which of the following crops rank first in Jharkhand?

16.
Assertion (A) Damodar Valley Corporation was established in 1948.
Reason (R) Promotion of agriculture, public health, industrial, economic and general well-being in Damodar valley area are its main thrusts.

17.
Which one of the following city is known as TISCO and TELCO city in Jharkhand?

18.
Which of the following places of Jharkhand has a fertiliser factory?