Which one of the following pairs is correctly matched?

The correct answer is B because the Gandhara School of Art flourished during the reign of the Kushan Empire, particularly under King Kanishka in the first century AD. It is known for its fusion of Greek and Indian styles. The other options are incorrect because: A) The Harappan Civilisation is associated with Red and Black Pottery, while Painted Grey Ware belongs to the later Vedic period. C) Ajanta Paintings were created much earlier than the Mughal period, primarily under the Satavahanas and Vakatakas. D) The Pahari School of Painting developed in the Himalayan hill states, not under the Marathas.