She is phenomenal singer, and she has been singing wonderfully for decades. She is an undisputed authority in her class of Ghazal singing. May God bless her so that we can continue to enjoy her singing and compositions.
My father also introduced me to Begum Akhtar, we also hold Mehdi Hassan in the highest esteem. We are still waiting for you to re- visit Australia, Radhikaji, have requested before I am a fan, have written many times before in praise of your singing prowess.
If classical singing is dying why you come to talk singers like Radhika saheba? This is a rubbish question bearing a deep rooted psychology of non Urdu speaking people in disliking the most beautiful urdu language due to their grudge against Urdu!