Navadhanya are the nine grains that are offered to the Navagrahas. They are also part of other Hindu pujas and rituals. The Navdanya includes Bengal Gram, Wheat, Horse Gram, Green Gram, Rice, White beans, Black Sesame seeds, Chickpeas, Black Gram.
Bengal Gram is offered to Jupiter or Guru or Brihaspati.
Wheat is offered to Sun or Surya
Horse Gram is offered to Ketu
Green Gram is offered to Mercury or Budh
Rice is offered to moon or Chandra or Soma
White beans is offered to Venus or Shukra 
Black Sesame is offered to Shani or Saturn
Chickpeas or Chickpea is offered to Mars or Mangal
Black Gram is offered to Rahu
In some regions the Navadanya are rice, wheat, thoor dal, moong dal, chana dal, rajma, sesame, urud dal, horse gram.
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