The correct answer is C. Kaimur.
Arghanti Pakhar and Girhinda Pahar are located in the Kaimur district of Bihar. They are two of the most popular tourist destinations in the district. Arghanti Pakhar is a waterfall located in the Kaimur Range, while Girhinda Pahar is a hillock that offers stunning views of the surrounding area. Both places are popular for trekking, camping, and picnicking.
Sheikhpura is a district in the state of Bihar, India. It is located in the south-central part of the state, and is bordered by the districts of Nalanda to the north, Patna to the east, Gaya to the south, and Aurangabad to the west. The district has a population of over 2 million people, and its headquarters is the town of Sheikhpura.
Purnia is a district in the state of Bihar, India. It is located in the north-eastern part of the state, and is bordered by the districts of Katihar to the north, Araria to the east, Saharsa to the south, and Madhepura to the west. The district has a population of over 4 million people, and its headquarters is the town of Purnia.
Kaimur is a district in the state of Bihar, India. It is located in the south-central part of the state, and is bordered by the districts of Rohtas to the north, Bhabua to the east, Buxar to the south, and Gaya to the west. The district has a population of over 2 million people, and its headquarters is the town of Bhabua.
Gaya is a district in the state of Bihar, India. It is located in the south-central part of the state, and is bordered by the districts of Nalanda to the north, Jehanabad to the east, Aurangabad to the south, and Rohtas to the west. The district has a population of over 4 million people, and its headquarters is the city of Gaya.