How can one effectively practice nama japa for spiritual growth and inner peace?

To effectively practice nama japa for spiritual growth and inner peace, one should choose a mantra or divine name that resonates with them, set aside dedicated time each day for repetition of the mantra, focus on the sound and meaning of the mantra while chanting, maintain a calm and focused mind, and practice regularly with sincerity and devotion. This practice can help cultivate a sense of connection with the divine, promote inner peace, and deepen spiritual growth.