The architectural heritage of Jharkhand can be seen since

Ancient Period
Modern Period
Medieval Period
All of the above

The correct answer is: D. All of the above.

Jharkhand is a state in eastern India. It is home to a diverse range of architectural heritage, from ancient temples to medieval forts to modern buildings.

Some of the most famous ancient temples in Jharkhand include the Deogarh Temple Complex, the Rajrappa Temple Complex, and the Panchetgarh Temple Complex. These temples were built in the 8th-12th centuries and are examples of the Nagara style of architecture.

The medieval period in Jharkhand saw the construction of many forts, including the Rajmahal Fort, the Deoghar Fort, and the Pakur Fort. These forts were built in the 16th-17th centuries and are examples of the Mughal style of architecture.

In the modern period, Jharkhand has seen the construction of many buildings, including the Jharkhand State Assembly Building, the Birsa Munda Airport, and the Ranchi University Campus. These buildings are examples of the modern style of architecture.

In conclusion, the architectural heritage of Jharkhand can be seen since ancient times, medieval times, and modern times.