Which of the following statement/s is true with reference to Nayanars ?
A. They were Sangam poets.
B. They were Shaiva saints.
C. They composed devotional poetry.
D. Also known as Puratanas, they were 64 in number.
Choose the correct answer from the options given below :
1. A only
2. A and C only
3. B, C and D
4. B and C only