At GH, Arnav said, '10 days.'.
Then later, he says, '... I'll pick you up tomorrow."
9th day (9 days left)
A and K back at RM.
Night passes.
8th day (8 days left)
A mooning over K in the morning.
Naani interrupts and Daadi makes an entrance in the evening.
So about 8 days left.
Jayne