Which of the following states is a leading producer of manganese?

Orissa

The correct answer is option 1: Orissa

NCERT: Odisha is the leading producer of Manganese. Major mines in Odisha are located in the central part of the iron ore belt of India, particularly in Bonai, Kendujhar, Sundergarh, Gangpur, Koraput, Kalahandi and Bolangir.