Alisha Khan who rose to fame as Purva with Star Plus’ Behenein has been out of action for a while now. So what kept the talented girl away from the limelight? Aah, it is a sudden health condition that forced her to maintain a low profile. We actually heard that Alisha was diagnosed with a benign tumour just behind her left eye. Though the diagnosis had happened few months back, Alsiha took some time before taking the major decision of going through the operation.