For Gains and Lasting Wealth
On full moon day before sun rise give water to Peepal Tree (Botanical Name: Ficus Religiosa, Sanskrit Name: Ashwattha अश्वत्थ) and also light a lamp (Diya) near it. The person gets blessings of Goddess Lakshmi by doing this. One can even light an incense stick (Agarbatti) and offer some sweet as prasad. Also, on full moon day, plant Peepal tree or Banana tree near a temple and water it regularly. On full moon day, establish Shree Yantra at home or office and worship it on every full moon day
Feeling Low & Depressed
On a full moon night, prepare Kheer (porridge) with rice, milk and sugar. Place that Kheer in moon light overnight and eat it in the morning. This gives definite results in people suffering from mental illness and depression. Sit for at least one hour in Moon light and see phenomenal results in your mental state.
Wish Fulfillment
On a full moon night, prepare Kheer (Sago porridge) with Sabudana (Sago), milk and sugar and offer it to Lord Shiva with white flowers. With the blessings of Lord Shiva all your wishes would be fulfilled.
Get rid of Evil Witchcraft
On full Moon day, take bath in some holy river like Ganga, Jamuna, Kaveri, etc. This will nullify the effects of evil witchcraft if any.
For difficulties in married life OR Delay in Marriage
On full moon day, take white cloth, place some Mishri (sugar cubes), white flowers, perfume and curd in it. Offer this in a Shiva temple. This will result in a happy married life and also marriage for those who are not getting married.
Repeated Failures in Life
On full moon day, offer food and money to poor people. Also, on full moon day, offer milk, Ganga Jal, Honey and Water on Shiv Linga. This will see overall improvement in all aspects of your life.