pls explain

what happened to trisha?????I missed some epis and now can not understand whats going on...before leap last epi I saw was urmi caame home and fell down and start panicking...on the other hand Trisha was accused of something in her hostel(donnt know what)...and Shaurya..?i mean in that epi urmi was preggbut with3-4 mnths baby hw can shourya born???????illogical