India lost to South Korea, 1-2 in their second round-robin match of the Sultan Azlan Shah Hockey tournament at Ipoh in Malaysia yesterday. A defensive lapse late in the game cost India dearly as the Koreans scored the winning goal in the 60th minute.With this second consecutive loss, the Indian team will now find it difficult to qualify for the finals.India had lost 3-4 to defending champions Australia in their opening match on Saturday.India will take on Pakistan tomorrow in their next round-robin fixture.