Govind Ballabh Pant Sagar is located in the district of

The correct answer is (d), Sonbhadra.

Govind Ballabh Pant Sagar is a reservoir on the Son River in the Sonbhadra district of Uttar Pradesh, India. It is the largest reservoir in the state and the third largest in India. The reservoir was created in 1962 by the construction of the Rihand Dam. It is used for irrigation, hydroelectric power generation, and flood control.

The other options are incorrect. Bulandshahar is a district in the western part of Uttar Pradesh. Lalitpur is a district in the southern part of Uttar Pradesh. Mirzapur is a district in the eastern part of Uttar Pradesh.