New Delhi, Sept. 22 -- Enforcement Directorate (ED) on Tuesday conducted search and survey operations at 26 premises across Delhi, Chandigarh, Haryana and Punjab in connection with a money laundering case relating to Tirupati Infraprojects Pvt Ltd, officials said.

The search operation is underway under the Prevention of Money Laundering Act, 2002, covering premises of suspects in Delhi; Chandigarh; Haryana's Panchkula; and Punjab's Mohali and Ludhiana in the case.

Officials said the action covers the promoters, directors and associated persons of Tirupati Infraprojects Pvt Ltd, Remigate Buildestates (India) Pvt Ltd, MB Infrabuild Pvt Ltd, Mera Baba Reality Associates Pvt Ltd and Mera Baba Infrastructure Pvt Ltd.

Simultaneously, surveys...