How does arohi know kitchen

How does arohi know the kitchen
Of Mumbai house

Off screen I think they were shooting here
Showing it as shimla but then they took off the horses
To make it look differ

The Mumbai house has the same layout as the Shimla house which she knew pretty well - except for Tara's secret rooms that she saw only later.

yes, the Shimla house was a replica of mumbai house built to trap Aarohi