Nandi Kamandal or Gomukhi Gangajali is used for daily pooja and it is used for purity of hands during Pooja. Water kept in this Gomukhi Kamnadal is considered holy and auspicious and as it is made of copper all impurities of water remove themselves.
Kamandalu is an elliptical vessel, which looks like a Kalash with a handle and/or a spout. It is generally made up of metal such as brass or copper but it can also be made up of pumpkin, coconut, or wood. It is mainly used to store water by Hindu ascetics. Hence, it is used as a Hindu symbol for asceticism. It is also known as Kamandalam or Kamandal.
It is also shown in the pictures of some Hindu deities such as Lord Shiva, Lord Brahma, Lord Dattatreya, etc. A Kamandalu with a spout is always kept in a Hindu temple to distribute Tirtham, the holy water. The water or milk stored in it is considered holy and Hindus drink it with devotion.
Water is used for a drink or for ritual purposes. The kamandal can be used in puja as a symbol of the body
The Kamandalu tree or calabash tree is a tree that grows oblong-shaped fruits that look like a kamandalu.
There are many stories associated with it in Hindu scriptures. According to a legend, the river Karha in Maharashtra originated from Lord Brahma’s Kamandalu.