Vajramuni was a college dropout and held a degree in cinematography. A product of the Kannada amateur theatre, he performed regularly in the mid-1960s for Gubbi Veeranna's theatre company among others. He impressed Puttanna Kanagal with his performance as Ravana in Kanagal Prabhakar Shastri's play Prachanda Ravana who offered Vajramuni a role in the film Saavira Mettilu.
Vajramuni was a college dropout with a background in cinematography and gained recognition through his performances in Kannada amateur theatre during the mid-1960s. He impressed Puttanna Kanagal, who cast him in the film "Saavira Mettilu" after seeing his performance as Ravana in a play by Kanagal Prabhakar Shastri.