A case has been registered against a jeweller for allegedly carrying out illegal structural modifications at a store owned by him on the ground floor of the Borivali building in Mumbai, which collapsed killing 28 people.

Rescue operations have, meanwhile, been called off as there are no more people trapped under the debris, Additional Commissioner of Police (north region) Suresh Khopde said.

"We have registered a case against one Kailash Jain, who is the owner of Vardhaman Jewellery store on the ground floor of the building, for carrying out illegal structural changes which might have resulted in the collapse," he told PTI.

"Jain has also lost three of his relatives in the tragedy and, therefore, will be arrested only after he has finished all necessary rituals," Khopde said.

The incident, which took place on Wednesday evening, has claimed 28 lives and left 17 persons injured.

Fire officials said most of the debris of the Laxmi Chhaya building in the north-west suburb of Borivali had been cleared and rescue operations have been completed.

Chief Minister Vilasrao Deshmukh on Thursday ordered a magisterial probe into the building collapse and the state government has formed a technical committee to probe the incident.