Solution:
The capital of Haryana is Chandigarh. Chandigarh serves as the capital for both Haryana and the neighboring state of Punjab. It is a unique city designed by the famous architect Le Corbusier and is known for its modern urban planning and architecture. Chandigarh is a Union Territory and is governed directly by the central government of India. It's not only the administrative capital but also one of the well-planned and green cities in India.