"How can the Governor take away the constitutional powers of the Speaker to disqualify lawmakers on the grounds of defection?
"The Governor may have some role in the functioning of the assembly, but he has no role to play in issues prescribed in the Tenth Schedule (anti-defection provision) of the Constitution," a five-judge Constitution Bench headed by Justice J S Khehar said.
"Democracy is a basic structure of the Constitution and if some decisions are anti-democratic, it is the subject matter of judicial review," the bench, also comprising Justices Dipak Misra, Madan B Lokur, P C Ghose and N V Ramana, said.
Senior advocate T R Andhyarijuna, appearing for Rajkhowa, defended the Governor's decisions saying when the Speaker was under clout and part of a conspiracy with the state government, the Governor exercised his discretionary power which is "undefined" in the Constitution.
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Andhyarujina also said the Governor's act may be "questionable", but he is not "answerable".
"The Governor has three kinds of powers under the Constitution. He has to act on aid and advice of the Chief Minister and his Council of Ministers. Second, he has discretion... Third, (his) power is undefined," he said.
During the hearing, the bench said the Governor may have the power to summon and advance the sitting of the House, but he cannot ask that a particular party-wise composition be maintained, as it would amount to interference in the working sphere of the Speaker.
The court also said its observations are "tentative" in nature.