The main witness, Mangal Patil, was examined by Special Public Prosecutor Shishir Hire and cross-examined last week by defence counsel MZG alias Baba Shaikh.
He told District Judge V V Bambarde that he had warned the civic officials about the impending danger posed due to the construction of the substandard and unauthorised structures.
In the Shil-Daighar building collapse in April 2013, 74 persons were killed while over 60 injured.
The court is trying 27 accused and the hearing will continue tomorrow.
Disclaimer: No Business Standard Journalist was involved in creation of this content