All stakeholders and the governments need to work together to free Delhi from water and air pollution, Union Minister for Water Resources Nitin Gadkari said on Thursday as he laid the foundation stone for nine projects for the Yamuna rejuvenation under the Namami Gange Programme here.

Delhi Chief Minister Arvind Kejriwal and Union Minister for Environment, Forest & Climate Change Dr Harsh Vardhan were also present to lay the foundation stones.