It contains 5 rooms each with a bath, a common area with table and couches and a small kitchen. And transportation to shop etc. Shopping would be arranged by Dr. Saleem as no one will be allowed to travel without an escort. A maid does washing and ironing and prepares meals. The clinic's facilities are relatively upper class.
Tap water is okay if it is boiled.
It doesn't get quite cold enough to snow there in winter but it is a dry cold. There is a Christian community there and as far as I can determine the only real danger would be in openly evangelizing among Muslims. The Christians are able to function as such among themselves. Lahore is the most metropolitan city in Pakistan as many Universities are there. Unfortunately, I think that can be said of any nation.