Tribal women knocked on the doors of houses around Bhubaneswar today displaying huge cut-outs of Bt Brinjal asking residents to oppose the introduction of Bt Brinjal varities in the state. They visited many houses in Chandrashekarpur, Sahid Nagar, Bapuji Nagar, Nayapally, MLA colony and OUAT colony. They were assisted by Pradyut, the co-ordinator of the campaign against Bt. Brinjal.