Joining Both Palms Together To Greet
There are different reasons behind this, generally joining the palm and bow their head greeting the person is considered as a respect and spiritually conveyed that there should not be any negativity between us where bowing the head reduces one’s ego and creates positivity among both.
In Hindu culture, people greet each other by joining their palms – termed as “Namaskar.” The general reason behind this tradition is that greeting by joining both the palms means respect. However, scientifically speaking, joining both hands ensures joining the tips of all the fingers together; which are denoted to the pressure points of eyes, ears, and mind. Pressing them together is said to activate the pressure points which helps us remember that person for a long time. And, no germs since we don’t make any physical contact.
We know that shaking hands transfers more germ, thus in this there is no germs since we don’t make any physical contact.
But there is also another scientific reason behind this where we know that the palm which plays a major role in Bharatha Natiyam, Kathakali and Kuchipudi where we have the mudra’s which represents the five fingers as the five elements where vanakkan/namaskar is one of the mudra known as Anjali mudra which is used to increase peace and self-confidence in a person if practiced. It is said that the five fingers are the five form energies (Water, Fire, Air, Sky and Earth). So when we bring our hands/palm together touching the corresponding fingers the five energies get neutralized which is the best way in gesturing and welcoming a person as a friend.