The Janai initiates the boy into manhood and commands them to devotedly follow the religion and the path of truth. The Janai must be worn every day of their lives after they listen their mantra from the guru during the Bartabandha.
Janai is regarded as symbol of body, speech and mind, and when the knots are tied the person wearing it is supposed to gain complete control over each of them.
This cord is changed if it becomes untidy or dishonored due to those acts which are forbidden by religion. However, Janai must be changed without fail on Rakhsya Bandhan Day.
In Raksha Bandhan day male, female, children and kids regardless of status and caste get tied a doro (sacred colorful thread) around their wrist. Generally males get tied the thread around their right and the women around their left wrist.
They believe doro brings them good luck, when one believes, that always becomes true. People keep the doro tied in wrist till on Laxmi Puja day in Deepawali. This thread is then taken out from wrist and tied on the tail of a cow in the cow worship day (Laxmi puja) in about October.
Hindu believe that they have to cross a river Baitarni after death to reach heaven. The cow will help him/her to cross the river Baitarni, by allowing the dead to cling to her tail, if he/she ties the doro to the tail of a cow on Laxmi Puja day.
In Raksha Bandhan Bandhan morning people crowd around the Pandit who ties the orange, yellow or red thread around devotees’ wrist chanting a quick prayer/raksha bandhan mantra which goes, '
"Yena baddho Balee raajaa daanavendro mahaabalah tena twaamavi badhnaami rakshe maa chala maa chala"