Pair 1 is incorrect. Burzahom, located in the Kashmir Valley, is an archaeological site known for its Neolithic and Megalithic phases. Rock-cut shrines were not a prominent feature of the Neolithic period. Pair 2 is correct. Chandra-Ketugarh is indeed well-known for its terracotta art. Excavations at Chandra-Ketugarh, located near Kolkata in West Bengal, have revealed a vast collection of terracotta objects dating back to the 3rd century BCE to the 3rd century CE. Pair 3 is correct. Ganeshwar is an archaeological site located in Rajasthan, India. It is known for its Copper Hoard Culture, dating back to the Chalcolithic period (approximately 4000-2000 BCE). Ganeshwar is renowned for its large number of copper artefacts, including tools, weapons, and ornaments, providing valuable insights into ancient metallurgy and trade networks. Therefore, pairs 2 and 3 are correct.