Taani Basu??????????

Hi! friends. Yesterday I was watching the 1st episode of tere liye. And i saw that the sister of the mental asylum(to whom taani is reciting the story) told taani with a astonishing luk "Arrey mashur singer taani basu!!!!!!!!!!!".
So what does it mean?????????
Has present taani(anupriya) married to any1 else?😕 Bcoz if she wud have married to onu then she wud hav been taani ganguly. And also if she wudn't hav married to onu or ne1 else then c wud hav been taani chaterjee.
If c has married to any1 else then is he Aurindam's son? Bcoz his name is Aurindam Basu.
I can't understand anything. Wat do u think?
Do u hav ne idea?😕