A kalasam is a silver or brass pot used in Hindu rituals and ceremonies. It is decorated with sandalwood, vermilion, and other items, and filled with water and offerings. Here are some common items that are put inside a kalasam:

• Water
• Raw rice
• Dried fruit
• Betel nuts
• Betel leaves
• Coins
• Dates
• Scent or perfume
• Sugar
• Jaggery
• White or red sandalwood paste

To prepare a kalasam for puja, you will need the following items:

• Vastram (cloth)
• Flowers
• Rice
• Dried fruits
• Coins
• Coconut
• Mango leaves
• Vermilion or kumkum
• Water

To decorate a kalasam, you can apply limestone mixed with water all around it, and then decorate it with sandalwood and vermilion.