 Complete the following phrase:  K. Appalaraju and Sunil Chhetri are the only Indian footballers to have scored a hat-trick more than once. Appalaraju achieved the feat twice in the two-legged tie against Ceylon during the 1964 Olympic Qualifiers. Chhetri has achieved the feat three times, the latest of which came in Indias 50 victory over Chinese Taipei in the opening match of the 2018 Intercontinental Cup. This is also the most recent instance of an Indian player scoring a hat-trick in an international football match. Chhetris first hat-trick came in the final of the 2008 AFC Challenge Cup against Tajikistan, which helped India not only to win the cup but also to qualify directly for the AFC Asian Cup in 