Explanation:

- Singapore-based IGSS Ventures is planning to build a semiconductor hi-tech park in India.

- The project includes a fab unit, which is pivotal for manufacturing semiconductors.

- The total investment for this project is Rs 25,600 crore, a significant amount indicating the scale and impact of the initiative.

- Option 1: Tamil Nadu

Tamil Nadu is known for its strong industrial base and has been a preferred destination for new technology projects.

- Option 2: Karnataka

Karnataka, especially its capital Bangalore, is renowned for IT and tech hubs, but is not the chosen location for this project.

- Option 3: Andhra Pradesh

Andhra Pradesh is a developing industrial region, but it is not the site for this semiconductor park.

- Option 4: Telangana

Telangana, with Hyderabad as its capital, is emerging in the tech sector, but is not selected for this project.

- Option 5: Kerala

Known more for its tourism and spices, Kerala does not have this particular project.