I saw this thread but was waiting for some response to put my view on this matter.
First let us see the entire picture before coming to any conclusion of our own dogma view. If some group of people are protesting, we must know why it has been doing so. If we put one side view or our own view, it should be only called a biased one.
Let me take the supreme court decision - Creative freedom, freedom of speech and expression can't be guillotined... artistic freedom has to be protected," On this basis the movie has been allowed to release. There is no doubt that no one is above than law or above than Supreme Court.
However the question is - Can we allow our creativity in real historical people to malign their image? One can only do a creativity work on fictional story or character but throwing his person creativity on historical character just to make the movie hit and to create unnecessarily controversy should not be taken into positive way. There are many such movie which has been fictional and brought out good creativity. Take the latest movie "Tiger Zinda Hai" in which the director has created story that the ISI and RAW worked together which may not be possible in real sense.
Now coming to the topic, who was Padmavati? If one does not know about her, should refrain from talking anything in forum. She was the Rajput women who gave her life (burnt herself with other women, just not to get caught by Khilji) fighting with him. The history knows how was Alluddin Khilji and his weakness of beautiful women. In such scenario if one want to make a creativity of having romance between Khilji and Padmavati, it can only hurt the sentiment of people and create controversy.
Lets keep ourselves in this matter, can anyone make a creative story of his/her ancestors doing romance with any of Mughal Kings ? If the answer comes to "Yes" then I am sure the movie and the freedom of creativity is correct and the protest is all wrong.