Tamil Nadu shares a border with which Union Territory?

The correct answer is: d) Puducherry.

Tamil Nadu shares a border with the Union Territory of Puducherry in the north. The other Union Territories mentioned in the options are not contiguous with Tamil Nadu.

Andaman and Nicobar Islands are a group of islands in the Bay of Bengal. Lakshadweep is a group of islands in the Arabian Sea. Daman and Diu are two small enclaves on the west coast of India.

Puducherry is a Union Territory in the south of India. It is bordered by Tamil Nadu to the north, east, and west, and the Bay of Bengal to the south.