There are three types of Amavasya Vrat. They are Amavasya Payovrat, Amavasya Vrat and Amavasya Pitru Shanti Poojan.
Amavasya Payovrat (Vishnu Puja on Amavasya)
During Amavasya Payovrat, Lord Vishnu is largely with dedication and devotion worshipped. This particular fast is wholeheartedly observed for one year by the Hindu religious followers if started. The individual who observes this particular fast can only drink milk. If the individual keeps this fast till its assigned date then he becomes free from all types of mental sufferings plus his financial condition will also improve.
Amavasya Vrat (Shiva Puja on Amavasya)
During Amavasya Vrat, Lord Shiva is largely with dedication and devotion worshipped. Like other normal fasting, this fasting is observed in the similar manner. On this day, the things favorite to lord Shiva is especially auspicious to offer by the devotees. Bel stone and Bel paper are the main things.
Amavasya Pitra Shanti Poojan (Pitrudevata Pooja)
The lord of the day for Amavasya is Pitru devatas. On this particular day, remedies for the pacification of ancestors are largely performed by the Hindu religious followers. On the day of Amavasya, in the morning, the individuals who have Pitrudosha in their given birth chart should take a dip or bath in the sacred River. They should also prepare Kheer from pure milk. They should offer with devotion and dedication this Kheer to their ancestors.
It is to be highly noted that by performing this remedy, influence of Pitrudosha can be largely reduced. This particular Kheer should be given to a virgin girl and crows and consume it. By performing this worship for one year, Pitrudosha can be reduced. This particular worship really helps in the progress of wealth, fortune and children.