Telugu Desam Party and CPI(M) leaders on Thursday alleged that the overhead tanks in Visakha-A colony and Indira Nagar were constructed with poor quality material and they were about to collapse with the occurring of leakages. TDP leaders Kinjarapu Rammohan, Gunda Appala Suryanarayana, PV Ramana and CPI(MP leader Panchadi Paparao and others inspected the Indiranagar tank. They demanded repairs on a war footing to protect both water tanks.