Why did Katappa kill Bahubali is revealed

There are several stories behind the reason "Why did Katappa Kill Amarendra Bahubali?". Everyone has different theories behind the killing of Amarendra Bahubali. This the most mysterious question no one has the exact answer but still, everyone is trying to find the answer by own. Bahubali 2 is going to release on 28 April 2017. 

First theory said: 

The Sivagami would have ordered kattappa to kill Amarendra Bahubali.

Two things that strengthen my claims are: 

1) kattappa's is always loyal towards his kingdom. He never takes action or does anything on his own. So it must have been an order, due to which he killed Amarendra bahubali.

2) Logically if we remember when the movie start, Sivagami says she has done some bad deeds in the past but asks the Lord to save the child. So this assumption is that she was behind the death of bahubali.

It might be Possible due to internal politics, sivagami might have taken this decision.

Next theory said:

The love triangle is another theory behind the killing of Amarendra Bahubali. Amarendra Bahubali and Bhalladeva both fall in love with Devsena. As usual, Devsena chooses Amarendra Bahubali instead of Bhalladeva. After many attempts, Bhalladeva fails. This made  Bhalladeva frustrated and hence, with the support of his father, he plans a conspiracy against Amarendra Bahubali and succeeded in convincing the queen Sivagami and she orders Katappa to kill "Amarendra Bahubali".

When Katappa kills "Amarendra Bahubali", queen realizes the true intention of Bhalladeva but now it's too late.

What is your story behind this killing? Post your story in the comment section.

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