Mumbai, Nov. 2 -- The Shiv Sena on Friday continued to play hardball over its demand for the chief minister's post in Maharashtra and, in a sharp warning to the Bharatiya Janata Party (BJP), said it could look at other political formations if its demand wasn't accepted, even as the Nationalist Congress Party (NCP) said it will sit in the Opposition along with its ally Congress. "If Shiv Sena decides, it'll get the required numbers to form a stable government in the state," senior party leader Sanjay Raut told reporters amid the ongoing, and increasingly bitter, tussle with the BJP over the Sena's demand for equal sharing of posts and responsibilities, including the chief ministership....