New Delhi: Holi, widely known as the Hindu festival of colours, is a joyful annual celebration at the advent of spring with cultural and religious significance. Typically observed in March in India, Nepal, other South Asian countries and across the diaspora, the festival celebrates love and signifies a time of rebirth and rejuvenation — a time to embrace the positive and let go of negative energy.New Delhi: Holi, widely known as the Hindu festival of colours, is a joyful annual celebration at the advent of spring with cultural and religious significance. Typically observed in March in India, Nepal, other South Asian countries and across the diaspora, the festival celebrates love and signifies a time of rebirth and rejuvenation — a time to embrace the positive and let go of negative energy.