The Left parties, CPI and CPI(M) have asked the poor to participate in a dharna in large number to demand the government to sanction pucca houses to them under Indiramma housing scheme. CPI district secretary A.V. Gopal Rao, CPI(M) district secretary V. Umamaheswara Rao in a joint press release said that they would organise the dharna in front of Sub Collector’s office in Vijayawada and also in front of Collectorate at Machilipatnam on October 25.