1. Sri Mokkambika temple, Karnataka
The temple is located in the foothills of Kollur, Western Ghats in Karnataka.
The temple's annual income is Rs 17 crores but the development work of the temple accounts for more than Rs 35 crores.
Priests of the temple believe the symbol of serpent in the temple is a clear sign of great treasure hidden beneath the temple.
The serpent is meant to protect the treasure from outsiders.
Even barring the treasure, value of temple jewels itself is estimated to be more than Rs 100 crore.