Uttar Pradesh Chief Minister Mayawati on Thursday demanded that the Centre book UP Congress Committee president Ritu Bahuguna Joshi, for her alleged inflammatory comments against the Bahujan Samaj Party chief, under the Prevention of Atrocities Act against Scheduled Castes/Scheduled Tribes.Mayawati condemned the language used by the Congress' state unit chief and said that BSP workers were so upset that they wanted to take to the streets.