What is the significance of Thooku Vilakku?

Thooku Vilakku is a traditional hanging oil lamp predominantly used in Kerala homes and temples. Although it is used in Pooja rooms, it is also being looked at as a home décor object these days. The lamp signifies knowledge and positivity. It is also used in many other South Indian states like Tamil Nadu. It is a form and symbol of the Absolute Fire Principle or Tej. Lighting this lamp brings positive vibes all around.