Kapurthala is a city in Punjab state of India. It is the administrative headquarters of Kapurthala District. It was the capital of the Kapurtha…Kapurthala is a city in Punjab state of India. It is the administrative headquarters of Kapurthala District. It was the capital of the Kapurthala State, a princely state in British India. The aesthetic mix of the city with its prominent buildings based on French and Indo-Saracenic architecture self-narrate its princely past. It is also known as city of Palaces & Gardens. According to the 2011 census, Kapurthala is the least populated city in India.