Makaravilakku is an annual festival held on Makar Sakranti in which of the following states?

Kerala

The correct answer is Option (4) - Kerala

Makaravilakku is an annual festival held on Makar Sankranti in the state of Kerala. Makaravilakku is a significant event celebrated at the Sabarimala Temple in Kerala, where devotees gather to witness the lighting of a special lamp at the shrine. This festival holds great religious and cultural importance for the people of Kerala, particularly for those who follow the Ayyappan tradition.