He who does Namaskar with one hand, renders his merits of a lifetime fruitless. - Vyaghrapadsmruti 367 The difference in doing Namaskar with both hands and with one hand: Doing Namaskar with both hands amounts to supplementing every action with Lord Shiva and Divine Energy. Doing Namaskar with one hand amounts to having awareness of doership. That is why doing Namaskar with one hand is not permissible under the Hindu Dharma, which is based on complete humility. Bending and touching the fingers of the right hand (and not the thumb) to the ground and then touching the Anahat chakra with the fingers amounts to doing Namaskar with one hand. Doing Namaskar in this manner amounts to publicly expressing emotion of respect. This was considered a sign of ego in the Tretayuga. Consequences of doing Namaskar with one hand A. Doing Namaskar with one hand denotes a state of ego. No matter how many births an embodied soul with such ego may undertake spiritual practice, it still does not derive any benefit from it. The efforts of many lifetimes are wasted. B. An embodied soul with ego has to suffer the rigours of hell. C. When Namaskar is done by touching the ground in a state of ego, the frequencies emanating from patal (the region of hell) get activated and transferred to the hand. When the fingers touch the Anahat chakra, these frequencies enter through the chakra and spread all over the body. Consequently, distress such as heaviness, restlessness or trembling of the body is experienced.