Before we draw a single wall we spend a day on site at three different hours. Where the light lands in the morning, where it goes hard at two in the afternoon and where it disappears entirely tells us more about the plan than any brief document can.
In most Indian apartments the best light falls into the least used room. Reorganising a plan around that one fact — moving the living space to the light rather than the light to the living space — usually costs nothing and changes everything.
Light also needs somewhere to land. A pale lime-plastered wall placed opposite a window doubles as a reflector, pushing soft light deep into a room long after the sun has moved off the glazing. It is a detail that costs less than a light fitting and works without electricity.
The final consideration is control. Deep reveals, timber screens and heavy curtains are not decoration; they are the dimmer switch for a room that is naturally lit. Designing them in from the start is what separates a bright space from a comfortable one.