How do you perform the peacock feather ritual in the movie Darjeeling Limited?

In the movie "The Darjeeling Limited," the peacock feather ritual involves a symbolic gesture of reconciliation and spiritual connection. The characters engage in a ceremony where they use a peacock feather to represent beauty and the fragility of life. By placing the feather on their mother's shrine, they express their longing for connection and healing within their fractured family relationships. This act serves as a poignant moment of reflection and emotional catharsis for the brothers.