Lord Ganesha is worshipped before starting of any work or for removal of all kinds of Obstacles and Problems. Ganesha on Leaf can also be hanged on wall. If a person keeps Lord Ganesha's Idol in Puja place or hang it on wall then all his obstacles are eliminated and he gets Success in every venture that he undertakes. Lord Ganesha is the bestower of Success, Intelligence, Education, Knowledge, Wisdom, Art, Talent as well as Wealth & Prosperity. Lord Ganesha is the Son of Lord Shiva & Goddess Parvati. Lord Ganesha is also known as Vighnaharta (Remover of Obstacles) and is worshipped first before any auspicious ritual or ocassion. He is ever-blissful and is devotedly worshipped by millions of people worldwide. Lord Ganesha is also known as Vignaharta, Ashtavinayaka, Ekadanta, Gajanana, Vakratunda and Ganpati.
Lord Ganesha is always worshipped before starting any important work like a new Business, House construction or any other undertaking. The Auspicious recital "Om" is a manifestation of Lord Ganesha and therefore it is recited prior to any other ritualistic recitals. In Om, the upper arc is said to be the face of Lord Ganesha. The lower arc is his belly. The twisted arc which is on the right side of the Om is his trunk. Thus Omkara represents the complete physical form of Lord Ganesha. Lord Ganesha is worshipped for Riddhi (wealth), Siddhi (success) & Buddhi (intelligence). Guru Adi Shankaracharya has recommended that every home shall establish Ganesha Idol on its outer door or wall to get protection from all evils.