Correct Option: C

Colgong (also called Kahalgaon) is a city and a municipality in Bhagalpur district in the state of Bihar. Close to Kahalgaon are the remains of the great Vikramshila University, which was famous as a centre of advanced learning across the world in the ancient times. Farakka Barrage is a barrage across the Ganges River, located in the Indian state of West Bengal, roughly 16.5 kilometres from the border with Bangladesh near Chapai Nawabganj District. Ramagundam is a town in the Karimnagar district of northern Andhra Pradesh, known as town of energy. Gandhar is one of the villages in Viagra Taluk, Bharuch district, Gujarat State of India.