Explanation:

- The Global Peace Index (GPI) is a measure developed by the Institute for Economics and Peace, ranking countries around the world by their level of peacefulness.

- The GPI ranks countries based on factors such as levels of violence, conflict, and degree of militarization.

- India was ranked 141st in the Global Peace Index 2019.

- Option 4 (141) is the correct answer.

- Options 1 (142), 2 (144), and 3 (143) are incorrect in reference to India’s 2019 rank.

- The GPI helps policymakers, researchers, and organizations understand and address peace-related issues by providing comprehensive data and analysis.