The Ambubachi Mela is celebrated in the capital city of Guwahati, in the northeastern state of Assam in India. The Ambubachi Mela is the most important festival of the Kamakhya Temple of Guwahati. The Ambubachi is a ritual of asceses observed with “Tantrik means”. It is believed that the presiding goddess of the temple, Devi Kamakhya, the Mother Shakti, goes through her annual cycle of menstruation during this time stretch

During the Ambubachi Mela in Guwahati, the doors of the Kamakhya Temple remain closed for three days. It is believed that the Mother Earth becomes unclean for three days. During this time any kind of farming work is not taken on. Daily worships and other religious performances are also stopped during the Ambubachi Mela of Guwahati in Assam. After the completion of three days, the doors of the Kamakhya Temple are reopened. But the doors of the temple are reopened only after Devi Kamakhya is bathed and the other rituals are executed. It is then believed that the Mother Earth has retrieved her purity. This is purely a ritual of the Tantrik cult.

The Ambubachi Mela in Guwahati is held at the Kamakhya Temple, after being closed for the mentioned three days. On the fourth day, the devotees of the Goddess are allowed to enter the temple for worshipping Devi Kamakhya. Thousands of pilgrims are found to visit the Ambubachi Mela in Guwahati, who comes all over India.

his mela is also known as Ameti or Tantric fertility festival since it is closely associated with Tantric Shakti cult prevalent in eastern parts of India. Even some Tantric Babas make their public appearances only during these four days. The rest of the year, they remain in seclusion. Some Babas are seen displaying their psychic powers like putting their heads in a pit and stand upright on it, standing on one leg for hours at a stretch.

The prasad is distributed in two forms – Angodak and Angabastra. Angodak literally means the fluid part of the body – water from the spring and Angabastra literally means the cloth covering the body – a piece of the red cloth used to cover the stone yoni during the days of menstruation.