Consider the following statements: 1. Assam shares a border with Bhutan and Bangladesh. 2. West Bengal shares a border with Bhutan and Nepal. 3. Mizoram shares a border with Bangladesh and Myanmar. Which of the statements given above are correct?

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