Detailed Solution:
The correct answer is “Lahore”.
An Adalat-i-Ala was set up at Lahore which heard appeals from the district and provincial courts.
The final court of appeal was the Maharaja himself.
Ranjit Singh, popularly known as Sher-e-Punjab or "Lion of Punjab", was the first Maharaja of the Sikh Empire, which ruled the northwest Indian subcontinent in the early half of the 19th century.