With reference to 'dugong', a mammal found in India, which of the following statements is/are correct? 1. It is a herbivorous marine animal. 2. It is found along the entire coast of India. 3. It is given legal protection under Schedule I of the Wildlife (Protection) Act, 1972. Select the correct answer using the code given below.

1. (a)1 and 2
2. (b)2 only
3. (c)1 and 3
4. (d)3 only