The Nagarjuna Sagar dam is built across which river in Andhra Pradesh?

Godavari
Penna
Krishna
Tungabhadra

The correct answer is: c) Krishna.

The Nagarjuna Sagar dam is a gravity dam on the Krishna River in the Nalgonda district of Andhra Pradesh, India. It is the second largest dam in India, after the Bhakra Dam. The dam was built between 1955 and 1969, and it is one of the largest irrigation projects in the world. The dam has a power generation capacity of 800 MW, and it provides irrigation to over 12 million hectares of land.

The other options are incorrect because:

  • Option (a), Godavari, is a river in India that flows through the states of Maharashtra, Telangana, Andhra Pradesh, Chhattisgarh, and Odisha. It is the second longest river in India, after the Ganges.
  • Option (b), Penna, is a river in India that flows through the states of Andhra Pradesh and Telangana. It is a tributary of the Krishna River.
  • Option (d), Tungabhadra, is a river in India that flows through the states of Karnataka and Andhra Pradesh. It is a tributary of the Krishna River.