A respectful greeting consisting of joining one's palms together and often touching the feet of the person being greeted is considered a gesture of showing respect to a potential person. In Indian traditions, this is how visitors greet a person or a group of people and deities in temples. It is a tradition to express respect by saying Namaste or Pranam and in some cases actually touching the feet of the idol. https://yuvahastakshar.com/new....s/110/namaste-aur-pr