Shiv Sena leader Sanjay Sanjay Raut on Wednesday said Uddhav Thackeray will remain the Chief Minister of Maharashtra and the ruling coalition Maha Vikas Aghadi (MVA) will prove its majority on the floor of the Assembly if needed, an assertion coming in the backdrop of rebellion by senior Cabinet member Eknath Shinde that has put a question mark on the stability of the state government.