Ganesha has the first and foremost importance in any Yagya. Ganesha is considered to be the first (Pratham Poojya) and his blessings are necessary for the success of the Yagya. Mahaganpati Yagya is considered very crucial in removing any obstacle of your life as Lord Ganesha is considered as Vighan Harta (Obstacle remover).This Yagya is very effective in removing unforeseen obstacles in business, married life, political career and other worldly affairs.