Kariya Siddhi Hanuman Mantra is a prayer dedicated to Hindu God Hanuman. This particular Karya Siddhi Mantra is for free download and is in Telugu. The popular belief is that chanting the mantra will help in fulfilling wishes. It is also chanted for attaining peace and prosperity.
Link - Karya Siddhi Mantra mp3 (the link is not working properly now so removed it)
The english version of the mantra is given below
The english version of the mantra is given below
Twamasmin karya niryoge
Pramanam hari sattama
Hanuman yatnamaasthaya
Dhukkha kshaya karo bhava
Hanuman yatnamaasthaya
Dhukkha kshaya karo bhava