Which was the most common animal depicted on the pillars of Vijayanagara style?

Q. With reference to Ashokan Pillars, which of the following statements is/are correct?

Select the correct answer using the code given below:

1. 
   2 only
2. 
   1, 2 and 3
3. 
   2 and 3 only
4. 
   1 and 3 only