The correct answer is: a) Royal life and battles.
Paintings in the Ahom court depicted scenes of royal life and battles. The Ahom were a Tai people who ruled over Assam in northeastern India from the 13th to the 19th centuries. They were a warrior people and their art reflects this. The paintings show scenes of battles, hunting, and other activities of the royal court. They are also decorated with intricate patterns and designs.
Option b) is incorrect because religious ceremonies are not a major theme in Ahom paintings. Option c) is incorrect because folk tales are not a major theme in Ahom paintings. Option d) is incorrect because natural scenery is not a major theme in Ahom paintings.