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Passive lighting and ventilation at The Madrasa of Mahmud Gawan

The Madrasa was built in 1472 by Mahmud Gawan. It was once a center of learning, and students even came from abroad to study philosophy, theology, mathematics, Persian, and Arabic.

The three-storied building stands on a raised platform. The entrance used to be through two large arches which led to a portico from where covered passages led to the interiors. There were two minarets at the entrance, of which only the northeast one still remains. The minarets were decorated with calligraphic text and red, blue, and white Persian glazed tiles set in zigzag patterns. The colored tiles also once covered most of the Madrasa's facade, though only traces of the tiles remain today.

Later, in 1697, the Mughal army occupied the Madrasa, and an accidental explosion of gunpowder damaged the building.

1. Jali windowsThere were Jali windows, they serve as natural air conditioning and also help cut the glare of sunlight.

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2. CourtyardThe Madrasa has a courtyard in front that was designed according to the sun path. This resulted in a shaded space in front shielded from sunlight.

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3. Clerestory windowsThe Madrasa has Clerestory windows to facilitate good natural light and ventilation.

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3. Evaporative cooling- ​There is a waterbody in the courtyard in front of The Madrasa. This helped with evaporative cooling.

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4. Dome roof- The Dome roof helps reduce the total heat gain from the roof and provides a passive cooling effect for the building. 

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Passive Ventilation and lighting techniques of Bidar

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