Here is the full mantra of Lord Ganesh in Hindi. It is said that this mantra should be chanted at the beginning of any auspicious work because this mantra provides good luck and success.
ॐ गंगणपतये नमो नम:
श्री सिध्धीविनायक नमो नम:
अष्टविनायक नमो नम:
गणपती बाप्पा मोरया
ॐ गंगणपतये नमो नम:
श्री सिध्धीविनायक नमो नम:
अष्टविनायक नमो नम:
गणपती बाप्पा मोरया
