During the Sultanate rule in India, men were not allowed to enter the women's part of dwelling.

Answer: Option C

One word substitute is Harem.

Wardrobe: a large, tall cupboard or recess in which clothes may be hung or stored.
Pantry: a small room or cupboard in which food, crockery, and cutlery are kept.
Harem: (in former times) the separate part of a Muslim household reserved for wives, concubines, and female servants.
Anteroom: an antechamber, typically serving as a waiting room.