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I would say Rakul Preet based on the character, attitude and also the physic. Only difference is that her navel doesn't suit your description.
Other than that I couldn't find a exact match, that kind of makes it difficult to feel the story. Nonetheless it is wonderful narration.

Oh wow, what a great choice man! I always thought Rakul Preet's outie belly button look like a little knot is sticking out. And that's the only thing I don't like about Rakul Preet.

Also the Tharini's navel shape (round and deep) has a significance in the story line.

Anyone else you can think of?