Happy Mahavir Jayanti: Lord Mahavir Jain. Mahavir Jayanti is one of the most significant and popular festivals of Jainism. It is held to commemorate the birth of Lord Mahavira, which was the twenty-fourth (24) and last Tirthankara of Jainism. The festival is also called “Mahavir Janma Kalyanak” and is usually celebrated in April months. Mahavir...