The Shakthi homam is a combination of three homams dedicated to Godesses Durga, Lakshmi and Saraswathy. 

Durga Suktha Homam
The Homam is performed to remove any obstacles or blocks in growth and is very useful for the attainment of success, wealth, prosperity, fame, removal of fear, health, longevity, fulfillment of desires, food, progeny, strength, removing ailments, removing danger and defeat in the hand of adversaries.  

Mahalakshmi Homam
Goddess Lakshmi's presence is enough to dispel all the darkness from the hearts of her devotees. She is worshipped for food, power, universal sovereignty, knowledge, power, kingdom, fortune, bounteousness, and beauty. 

Saraswathy Homam
This homam is performed for the Goddess of speech and learning, and who is the creator of Sanskrit, the language of the Vedas and who is associated with art, science and culture.