Explanation:

- The Ambubachi Festival is associated with the Kamakhya Temple in Guwahati. It celebrates fertility and is an important ritual held during the monsoon season, marking the annual menstruation course of Goddess Kamakhya.

- The Mando Festival is not related to the Kamakhya Temple. It is known as a traditional form of Goan song and dance.

- The Majuli Festival is held on the river island of Majuli in Assam, focusing on the region's culture and heritage. It is not connected to Kamakhya Temple directly.

- The Sunburn Festival is a music festival held in India, mainly featuring electronic dance music, and not related to Kamakhya Temple.

The correct answer is Option 1: Ambubachi Festival.

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