The Kalika Purana, an important text, is associated with the region of:

Kamakhya
Tezpur
Sibsagar
Jorhat

The correct answer is: a) Kamakhya.

The Kalika Purana is an important Hindu text that is associated with the region of Kamakhya. The text is believed to have been written in the 12th century and is one of the most important texts in the Shakta tradition of Hinduism. The text is dedicated to the goddess Kali and contains a number of stories and hymns about her. The text is also important for its descriptions of Tantric practices.

Kamakhya is a Hindu temple located in the Nilachal Hills near Guwahati, Assam, India. The temple is dedicated to the goddess Kali and is one of the most important pilgrimage sites for Hindus in Assam. The temple is believed to have been built in the 7th century and is one of the oldest temples in Assam. The temple is also known for its annual Ambubachi Mela, which is one of the largest religious festivals in Assam.

The other options are incorrect because they are not associated with the Kalika Purana. Tezpur is a city in the Indian state of Assam. Sibsagar is a city in the Indian state of Assam. Jorhat is a city in the Indian state of Assam.