ff help

i need your help with a name of an ff.

its arshi's ff, i read until ch 3 but lost the name of it.

in that ff arnav n khushi's family are frnds. both rich. payal n akash's engagement was fixed n they fixed arnav;s n khushi's during payash's engagement preparation... in it there is a flash back where wen arnav;s parents dies khushi sends her father to calm him down ...then for engagement arnav ties khushi's dori...after engagement during party arshi go for walk down beach wall...

thats all i remember ...can someone help?????