Mahamastakabhisheka is a significant religious event associated with Bahubali, also known as Gommateshwara. It is a grand celebration that takes place once every 12 years in the town of Shravanabelagola in Karnataka, India.

- Bahubali: The correct answer to the question is option A, which refers to Bahubali. Bahubali was an ancient Indian prince and a highly revered figure in Jainism. He is believed to have renounced his kingdom and worldly possessions in pursuit of spiritual enlightenment. Bahubali is considered to be a symbol of non-violence, sacrifice, and liberation.

- Mahamastakabhisheka: Mahamastakabhisheka literally means the "grand anointing ceremony." It is an elaborate and ritualistic event that involves the ceremonial bathing of the colossal statue of Bahubali with various sacred substances. The statue of Bahubali stands at a height of 57 feet and is carved out of a single block of granite.

- Religious Significance: Mahamastakabhisheka is a highly significant event for Jains. It is considered a way to pay homage and express devotion to Bahubali. The ceremony is believed to bring spiritual blessings and purification to the participants and the entire community.

- Rituals and Ceremonies: The Mahamastakabhisheka ceremony is spread over several days and involves various rituals and ceremonies. The main highlight of the event is the anointing of the statue with milk, saffron, sandalwood, and other auspicious substances. This is done using special vessels called kalashas, which are filled with the sacred substances and poured over the statue.

- Huge Gathering: Mahamastakabhisheka attracts a massive gathering of devotees from all over the world. Thousands of people come to witness and participate in the event. The ceremony is accompanied by religious chants, prayers, and cultural performances.

- Previous Mahamastakabhisheka: The most recent Mahamastakabhisheka took place in 2018, and the next one is scheduled to occur in 2030. The event is meticulously planned and organized by the Jain community and the government to ensure a smooth and successful celebration.

Overall, Mahamastakabhisheka is a significant religious event associated with Bahubali, where devotees gather to perform rituals and express their devotion to the revered Jain figure. It is a grand celebration that holds immense religious and cultural importance for the Jain community.