Let’s review the statements:

1. The concept of Stupa is Buddhist in origin – This statement is incorrect. The tradition of building funerary mounds existed before Buddhism, though stupas became closely associated with Buddhist architecture and practices.
2. Stupa was, generally, a repository of relics – This statement is correct. Stupas were often built to house relics, especially in the Buddhist tradition, where they served as reliquaries for the Buddha’s remains and other sacred objects.
3. Stupa was a votive and commemorative structure in Buddhist tradition – This statement is correct. In Buddhism, stupas were constructed as votive and commemorative structures, serving as places for worship and honoring significant events or individuals.

Corrected Answer:

Only two statements are correct.