I think that Maan was just tensed about his dadi and called Geet to tell him about any problem dadi experienced but the phone call got disconnected before he could say this to Geet
and Geet got worried and in her clumsiness,her dupatta tore and the picture fell.
Then maybe she gets more worried and Maan's dadi tells her to go to the dargah and she might get relaxed
When Geet goes there,perhaps she sees Maan who was also told to go there by his dadi earlier today and runs towards him which explains the pictures posted on facebook.
This is just my own prediction....