Indian workers prepare coloured powder for Holi festival The ancient Hindu festival of colours, Holi, which heralds the end of winter and the victory of good over evil, is marked with a national public holiday and sees revellers pour onto the streets in India. It will be celebrated on March 1 and 2 this year and Indian labourers are busy preparing coloured powder, known as "gulal" to be used during the festivities. IMAGES