Which was the capital of the Mauryan Dynasty?

Consider the following statements about Ashoka's faith in Buddhism:

$1$. Rummindei Pillar Inscription and Nigali Sagar Pillar Inscription provide clear evidence of Ashoka's faith in Buddhism.

$2$. Minor Rock Edicit-I gives evidence of a sudden change in Ashoka's faith in Buddhism.

Which of the statements given above is/are correct?

In which year did Kalinga war take place?

Our national emblem is _____(Lion Capital of Ashoka/gold coin).