The correct answer is: a) Miniature paintings.
Miniature paintings are a type of painting that is typically small in size and often used to illustrate manuscripts or other works of art. They are often characterized by their intricate detail and use of bright colors.
The Sattras (Vaishnavite monasteries) of Assam played a role in preserving the art of miniature painting by commissioning artists to create paintings for their temples and monasteries. These paintings often depict scenes from Hindu mythology or the lives of saints.
Mural paintings are paintings that are made on walls or ceilings. They are often large in scale and can be found in a variety of settings, including temples, palaces, and public buildings. Mural paintings can be made using a variety of techniques, including fresco, tempera, and oil paint.
Scroll paintings are paintings that are made on long, narrow pieces of paper or cloth. They are often rolled up for storage and unrolled for viewing. Scroll paintings can be made using a variety of techniques, including ink and wash, watercolor, and oil paint.
Oil paintings are paintings that are made using oil-based paints. They are often characterized by their rich colors and smooth finish. Oil paintings can be made on a variety of surfaces, including canvas, wood, and metal.