The pairs correctly matched include Chandra-ketugarh, known for its terracotta art, and Ganeshwar, recognized for its copper artefacts. Chandra-ketugarh was an important site during ancient times linked to trade and cultural interactions, particularly renowned for its sophisticated pottery and terracotta figurines that reflect societal and artistic development in that era. Ganeshwar, on the other hand, provides significant archaeological evidence of early metallurgy in India, particularly copper smelting and artefact production, showcasing technological advancements in prehistoric India. Understanding these archaeological distinctions is vital for comprehending the evolution of ancient Indian civilizations and their contributions to art and technology, which aligns with the themes explored in UPSC GS Paper I.