Secret of the King's Fort) is a 1971 Indian Telugu-language historical fantasy film directed by B. Vittalacharya.

Ananda Bhupathi, spouses of King Mahendra Varma's sister, without approval, are blessed with the child Vijay.

At a point, Simhananda sights & entices Kanchana, the daughter of Mahendra Varma, when Vijay shields, detects her as his cousin, and they crush.

Now Simhananda attempts to kill Ananda Bhupathi when his shadow falls on a stone when Yashodhara backs her novel form and claims he is harassing his father, which he denies.

Finally, Vijay, with the aid of Sri Chakra Upasana, extracts evil forces from Simhananda and reforms him into a purified one.