navagraha puja and homam benefits

According to some, Navagraha Puja and Homam have many benefits, including:

Health: Increases strength, health, and prosperity
Mental peace: Brings beauty, mental peace, and excellent control over your emotions
Success: Helps in bringing a successful career and ensures a prosperous life for marriage and childbirth
Obstacles: Pacifies malefic planets and strengthens benevolent planets, resulting in removal of obstacles in personal and professional life
Problems: Solves unending problems and bestows luck, fortune, and progress
Hurdles: Chanting the Navagraha puja mantra can also help reduce the impact of hurdles one faces in his/her life

Other benefits include:

Alleviates the chances of accidents, fatal diseases, legal prosecutions, and punishments
Removes certain dosh, which revamps financial and health conditions

During the pooja, nine grains are offered to Navagrahas

Black sesame seeds, Bengal gram, Horse gram, Green gram, Rice, White beans, Chickpeas, Black gram, Wheat.

The Usage of the Navadhaniyam:

Wheat is offered to Sun or Surya
Paddy Rice is offered to moon or Chandra or Soma
Chickpeas are offered to Mars or Mangal
Green Gram is offered to Mercury or Budh
Bengal Gram is offered to Jupiter or Guru or Brihaspati.
White beans are offered to Venus or Shukra
Black Sesame is offered to Shani or Saturn
Black Gram is offered to Rahu
Horse Gram is offered to Ketu