<span style="color: #222222;">The Central Public Works Department will erect water conservation structures, including rainwater harvesting systems, in 136 residential areas across the country. </span><br />'' <br />'' <span style="color: #222222;">In a major exercise to increase water table in government colonies, the CPWD will dig pits to conserve water through which water table will be recharged in these colonies.</span><br />'' <span style="color: #222222;"><br />'' Speaking at a function to mark 165th foundation day of the CPWD, Housing and Urban Affairs Secretary Durga Shanker Mishra said, the agency has a target of erecting water conservation structures in 100 colonies under the 100-day agenda.  </span><br />'' <span style="color: #222222;"><br />'' Prime Minister Narendra Modi had also recently called for water conservation, saying there was a pressing need to make it a mass movement on the lines of the cleanliness drive. </span><br />'' <br />'' <span style="color: #222222;">CPWD Director General Prabhakar Singh said the agency will carry out the major exercise in 136 colonies, including 74 in Delhi, which are maintained by it.</span><br />''