New Delhi, July 22 -- The Shiv Sena (UBT) on Tuesday moved the Supreme Court challenging Lok Sabha Speaker Om Birla's decision recognising the merger of six of its MPs with the Eknath Shinde-led Shiv Sena, contending that the decision has brought its functioning in Parliament to a standstill. "My functioning as a political party in Parliament has come to an absolute standstill. These MPs are not with me. The Speaker has recognised their merger with another party. This is for the current Parliament session," the Sena (UBT) submitted. Ahead of the Monsoon session, the Speaker approved the merger of six Sena (UBT) MPs with the Shiv Sena led by Eknath Shinde. Following the decision, the strength of the Shinde-led Shiv Sena in the Lok Sabha has increased from seven to 13, while the Uddhav Thackeray-led faction has been reduced to three. P5...