Explanation:

- Canara Bank: Known for various agricultural loan schemes, but as of the latest information, there's no specific scheme for fishermen in Tamil Nadu.

- HDFC Bank: A major private sector bank, but it does not specifically focus on Kisan credit cards for fishermen in Tamil Nadu.

- Indian Bank: Recently introduced a Kisan credit card loan scheme specifically designed for fishermen in Tamil Nadu.

- Axis Bank: Provides a range of financial services but does not have a known scheme focused on Tamil Nadu fishermen.

- None of the above: Incorrect as Indian Bank has indeed launched such a scheme.

Indian Bank is the correct answer.