The presiding deity of this temple is Goddess Badrakali Amman. The goddess is known to possess great powers. Her image with 4 arms facing north is made of terracotta. She is always draped in immaculate white cloth measuring 20 metres in length. The temple lies 15 kms west of Karaikal. The place was initially known as Ambara - harattur meaning victory over Ambaran, which subsequently became Ambagarathur.
Devotees visit this temple to seek fulfillment of the following:-
- To develop mental strength For security of life
Jayantii Manggalaa Kaalii Bhadrakaalii Kapaalinii Durgaa Shivaa Kssamaa Dhaatrii Svaahaa Svadhaa Namostu Te
Meaning -We salute the Devi Kali, who is always victorious and always auspicious, we offer salutations to Bhadrakali Devi who wears a skull garland, we salute Shiva's consort and the embodiment of self-control and supports all beings, Devi Durga, who is Swaha as well as Swadha. We offer our salutations to you.
Om Maha Kalyai Ca Vidmahe Smasana Vasinyai Ca Dhimahi Tanno Kali Prachodayat
Meaning -Om the great Goddess Kali who stays in the ocean of life and burial grounds, we focus our energies on you, may you grant us our wishes and bless us
Kaalika Kalahey Gorey Paathuthvaam Parameshwari Mandapey Thathra Mathangi Thatha Sowmya Swayamwarey
Meaning -Let the ever charming, mother of the universe, protect us and stay in this mandap and bestow her blessing on us as mother Mathangi.
Katyayani Mahamaye Mahayoginyadheeshwari Nandgopsutam Devipatim Me Kuru Te Namah
Meaning -Oh Goddess Katyayani, the great vigour of the Lord, the owner of great magical power and the mighty one who controls all, please make the son of Nanda Maharaj my husband. I offer my salutations to you.