B for ? One Shot

B and Haseena this was displayed on Karishma's phone when HM video called her last time ,What does that B in KS's mobile meant ?

Though we have seen this many times that HM's name is saved as Haseena in Karishma's phone it still makes my heart flutter

Mira is confused why KS has saved HM's name as Haseena inspite of claiming that Haseena is just her senior and what does that B stands for ?

Peep into this One shot about the mystery of B