In Deepawali Festival, Goddess Lakshmi means wealth and prosperity, worshiped as mother - along with - Lord Ganesh, god of wisdom and earthen lamp - worship.
This means prosperity and wealth should never be used in contrary to intellect, knowledge, and selfless service, instead it should be earned and spent through the lenses of wisdom and knowledge.
1. First Invoking Lord Ganesh - as the eliminator of hurdles and God of Wisdom - by chanting below mantra.
Om ekadantaya vidmahe , Vakkratundaya dheemahi , Tanno danti prachodayat II
2. Invoking Shri Lakshmi - Lord Vishnu’s wife, the mother of the universe - by chanting below mantra.
Om Shree Mahalakshmyai Cha Vidraahe Vishnu Patrayai Cha Dheemahi Tanno Lakshmi Prachodayat II