The correct answer is option 1, which states that only statement 1 is correct. The Ajanta Paintings primarily portray Buddhist elements and themes. These ancient paintings, dating back to the 2nd century BCE, were created in the Ajanta Caves located in Maharashtra, India. They are considered masterpieces of Buddhist religious art.

Option 2, stating that both statement 1 and 2 are correct, is incorrect. The paintings do not predominantly depict secular aspects. Instead, they focus on the life, teachings, and stories of the Buddha, as well as other Buddhist figures and deities.

Option 3, claiming that all three statements are correct, is also incorrect. The Ajanta Paintings do not showcase Jain culture. They are exclusively centered around Buddhism and its rich visual traditions.

Option 4, stating that only statement 3 is correct, is also incorrect. As mentioned earlier, the Ajanta Paintings do not represent Jain culture.

In summary, the Ajanta Paintings primarily portray Buddhist elements, making statement 1 the only correct option.