MLA Jignesh Mewani (C) outside the Postmortem room at Civil hospital where the dead body of Bhanubhai Vanakar is kept. Pic/AFP

Protesters blocked roads and held rallies in several parts of Gujarat yesterday, including Gandhinagar, Ahmedabad, and Patan in Mehsana district against the failure of the authorities concerned to prevent suicide by Dalit activist Bhanubhai Vanakar on Friday, police said.