An approximation of the territorial extent of the historic Sikh Empire. 
Polar orthographic projection based on: 

Map 3 Sikh mints in the Punjab during the reign of Ranjit Singh (1801-39)
Map of the Sikh Territory, Walker, John, 1839
Der Sikh - Staat, C. Flemming, 1850
The Kingdom of Lahore by Edin Bartholomew
1853 Political Division of Punjab after Treaties of 1846 by Cunningham
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Amritpal Singh Mann