The correct answer is pilgrimage to the tombs of Sufi saints. Key Points - During the Medieval period in India Sufism emerged as a powerful movement. - Sufis were so-called because of the purity (safa) of their hearts. - Unity in God, complete self-surrender, charity, Ibadat, love for mankind, etc. are the main teaching of Sufism. - Ziyarat means the pilgrimage to the tomb on the death anniversary of the Sufi saint. - Its main objective was to seek spiritual grace from the Sufi. - Music and dance are an important part of Ziyarat.