Palm leaf manuscripts from Tamil Nadu were often illustrated with:

The correct answer is: b) Miniature paintings.

Palm leaf manuscripts from Tamil Nadu were often illustrated with miniature paintings. These paintings were typically done in a style known as Chola painting, which is characterized by its use of bright colors, intricate detail, and a focus on religious and mythological themes.

Option a) is incorrect because detailed battle scenes are not a common feature of palm leaf manuscripts from Tamil Nadu.

Option c) is incorrect because geometric patterns are also not a common feature of palm leaf manuscripts from Tamil Nadu.

Option d) is incorrect because abstract symbols are also not a common feature of palm leaf manuscripts from Tamil Nadu.