New Jersey (USA), Sep 20 (ANI): While addressing the students of Princeton University in New Jersey, Congress Vice President Rahul Gandhi stated that unemployment is one of the major challenges to the growth of the nation. Justifying his statement, Gandhi stated that everyday nearly 30,000 new youngsters come into the job market, out of which only 450 of them get employed. Gandhi also talked about the urban migration in the country where around 400 million people migrate to the cities every year. He stated that "It doesn't matter how we employ them, we have to employ them."