"MNS won't participate in bandh," Raj told reporters.
As many as 74 people died as an illegal building near Mumbra collapsed earlier this month, which led to crack-down on illegal structures. But various political parties are opposed to it.
"Why has no action being taken against those who built illegal buildings?" Raj said. "If MNS corporators are found to have built illegal buildings, then action should be taken against them also."
"There is a ploy to regularise illegal constructions for vote-politics," he said. "I will speak to the Chief Minister on illegal constructions in Thane," he added.
"Our demand is to regularise all illegal buildings and rehabilitate those evacuated from their homes. All illegal buildings standing in Thane as of today should be protected, irrespective of the previous cut-off date (for regularisation) of 1995," Awhad had said.
Meanwhile, Thane unit of BJP too has said that it would not back the bandh.