Manish Lakra, the owner of the building here in Mundka that was gutted in a massive fire on May 13, along with the owners of a company in the same multi-storey structure -- Harish Goel and Varun Goel, were on Tuesday sent to 1-day police custody by a city court, an official said.

Deputy Commissioner of Police (DCP) Sameer Sharma said their custody was of vital importance.