Kuber Mantra for money is dedicated to Hindu God Kubera, who is the treasurer of Gods. The Kuber Mantra is:
Om Shreem Om Hreem Shreem Om Hreem Shreem Kleem Vitteshwaraya Namah
ॐ श्रीम ॐ ह्रीम श्रीम ॐ ह्रीम श्रीम क्लीम वित्तेश्वराय नमः
The mantra should be chanted continuously for 40 days to be effective. The mantra should be chanted 51 times. It is ideal to chant the mantra in the morning. During the chanting your mind should not wander around.