Whats happening in kasam se

i was out of town for two weeks and when i get back..what do i see?bani in mental asylum and she has already delivered two weeks!when did she have such a big stomach to hold two kids in the first place.!!And hey wasnt piya supposed to be pregnant first?how come she hasnt delievered yet?did she have some miscarriage or something?where the hell is tarun?and whts happening with whts her name..the girl whos dying and she got her hubby married to rano..is she alive or did ekta kapoor chuck her out?