Maha Mruthyunjaya Homam is dedicated to Lord Shiva to avoid untimely death. The Mruthyunjaya Homam is performed to achieve Jaya or Victory over Mritya or death. The object of worship of this homa is Lord Shiva.
Lord Ganesha (elephant faced God) is always worshipped before starting any Pooja or Homa. Lord Ganesha removes all obstacles. Lord Ganesha is also known as ‘Vigneshwara’ [vigna + Eswara] which means the lord who removes all obstructions (Vighna).