Who will form government in Maharashtra?

Shiv Sena has shifted its MLAs to Mumbai's Rang Sharda Auditorium. But why did the party do so? Is Shiv Sena scared that its MLAs would be poached by Bharatiya Janata Party to form the government? What will happen in Maharashtra is still a question. But a lot of things happened throughout the day today.
Raut dared BJP to prove majority. He also said that those with money, would take advantage of such a situation