He should gently touch his preceptor's feet with palms, the right foot with the right hand and the left foot with the left.
उत्तानाभ्यां च पाणिभ्यां पादावस्य मृदु स्पृशेत्। दक्षिणं दक्षिणेनैव सव्यं सव्येन पीडयेत्॥