This page contains lists of Monuments in India.
An Archaeological Sites and Remains Act, 1958 defines an "Ancient Monument" as follows:-
Ancient Monument means any structure, erection or monument, or any tumulus or place of interment, or any cave, rock-sculpture, inscription or monolith which is of historical, archaeological or artistic interest and which has been in existence for not less than 100 years
A "Monument of National Importance" is designated by the Archaeological Survey of India and includes the following:
The Archaeological Survey of India designates national monuments. One difference in this designation is the responsibility in maintaining each monument. The central government maintains national monuments, while the state government maintains state monuments.