Jump to key moments of However, expertsy thi,b rhM or LAs can make a claim that their original party has merged, and they agree to that merger, and have become members of that party. Thus, MPs alone cannot merge with any other party. However, till the Speaker gives any ruling, these MPs can vote in favour of any Bills which are taking up as part of the legislative business,” according to former Lok Sabha Secretary General and constitutional law expert P.D.T. Achary.The authority to decide disqualification complaints rests solely with the Speaker or Chairperson of the respective House. Their decision is final. However, it can be challenged in the courts