Chief water analyst Vinod Kumar, patwari Sunil Kumar and meter reader Atul Prakash were suspended following orders by Chief Minister Arvind Kejriwal, Education and PWD Minister Manish Sisodia said.
He said anybody found involved in any kind of corruption will not be spared.
"By initiating action we have tried to give out a strong and clear message to all officials that they have to understand that days of corruption are over and it is a governance of clean politics. So either they should be prepared to change themselves or they should be ready for sterner actions," Sisodia said, adding cases will be registered against the trio.