Tanu is Asad's childhood friend (not Najma's) so I am guessing she is the same age at Asad or maybe a couple years younger.
Nikhat has been shown as same age a Najma or maybe older. So I am guessing Imran is atleast a little older than them. He is not shown as a college going boy like Najma/Nikhat. He is shown working.
you see where I am going with this? If Najma met (supposedly) Imran when she was 17/18 how old was Imran then? Was he her senior? And if he is in the same age group as the sisters, then how did he meet Tanu who should be atleast 3-4 years his senior?
I am so confused...
Rivs