Kadi Vidya is a prayer or mantra chanted during puja and meditation of Goddess Lalita Tripurasundari. The mantra or chant starts with the letter ka. Kadi Vidya has 15 syllables and is therefore a Panchadasa Akshari Mantra. It is believed that Lord Dakshinamurti created the Kadi Vidya.
The chanting of the mantra will help in attaining self-realization as per Tantra Shastra.
The mantra has three parts: - Vaghava Kuta, Kamaraja Kuta and Shakti Kuta.
ka, e, i, la, hrim (Vaghava Kuta)
ha, sa, ka, ha, la, hrim (Kamaraja Kuta)sa, ka, la, hrim (Shakti Kuta)
Goddess Lalita Tripurasundari as per the mantra can be found in the Lalita Sahasranama Stotra (II. 34 – 36)