Prime Minister Narendra Modi will lay the foundation stone for the Rs 3,600-crore Shivaji memorial project in Arabian Sea on December 24.  Chief minister Devendra Fadnavis made the announcement in the legislative assembly on Saturday. " Holy water from more than 70 rivers and holy soil from Maharashtra 's forts will be used at the ceremony," Fadnavis said. "A Shivaji Maharaj statue will be placed on the proposed island on 15.96 hectare of reclaimed land.  The work will be done in two phases.  In the first phase, which will cost Rs 2,300 crore, a Tulja Bhavani Mandir, eight museums, an exhibition gallery, an amphitheatre, a helipad and a hospital will be built," he said.  -Sujit Mahamulkar