This fast is observed in many forms and for many benefits. It may be observed for the propitiation of the planet Shukra (Venus), and to ensure longetivity of the son, peace of mind and harmony in the family. It is also observed in the honor of goddess of white raiment's. It is a very popular fast, and is generally observed by the ladies to please goddess Santoshi Mata. Santoshi Maa is an other form of Parvati or Durga.The devotees wear white clothes on this day and eat white food, like kheer, only once at night. Sour dishes are avoided.