After kneading it, you can refrigerate it. It will continue to rise, but very slowly. Before baking it you should it bring it back to room temperature before kneading a second time.
I am afraid I have not found a hindi name for Quinoa. It is from the amaranth family (ramdana/rajgira/ragi). But I have not seen it here.
To my mind it is only marginal. In fact where calories are concerned, butter has more water content therefore some consider it less fattening. Of course cholestrolwise it is better to have oil.