"Isn't this you?"
Here's the breakdown:
* ഇത് (ithu): This
* തന്നെ (thanner): Itself
* അല്ലേ (alle): Isn't it?
* നീ (nee): You
* എന്ന് (ennu): that
* ചോദിക്കണേ (chodikkane): ask
The sentence is a direct question, asking if the person being addressed is the one being referred to as "this".