Top singles player Somdev Devvarman will lead India's challenge in the Davis Cup tie against Korea next month as the AITA national selection committee today named an unchanged side.The four-member team, which pipped Chinese Taipei 5-0 in the first round, has been retained. Yuki Bhambri, Rohan Bopanna and Saketh Myneni are the other members of the team.Anand Amritraj and Zeeshan Ali are the captain and the coach of the team respectively.The winner of the Asia/Oceania Group I second round tie, to be held in Busan from April 4-6, will qualify for the World Group play-offs to be played in September.