The Pamban Bridge connects mainland India with:

Rameswaram Island
Puzhal (Central Prison)
Sri Lanka
Andaman and Nicobar Islands

The correct answer is: a) Rameswaram Island.

The Pamban Bridge is a cantilever bridge that connects Rameswaram Island in Tamil Nadu, India, to mainland India. It is the longest sea bridge in India and the second longest in Asia. The bridge was built in 1914 and is 1,312 meters long. It is a vital link between the mainland and Rameswaram Island, which is home to the famous Ramanathaswamy Temple.

The other options are incorrect. Puzhal (Central Prison) is a prison in Chennai, Tamil Nadu, India. Sri Lanka is an island country in South Asia. The Andaman and Nicobar Islands are an Indian archipelago in the Bay of Bengal.