With reference to the cultural history of medieval India, consider the following

1. Siddhas (Sittars) of Tamil region were monotheistic and condemned idolatry.
2. Linguists of Kannada region questioned the theory of rebirth and rejected the caste hierarchy.

Which of the statements given above is/are correct?

a) 1 only

b) 2 only

c) Both 1 and 2

d) Neither 1 nor 2