The Prime Minister, Dr. Manmohan Singh meeting the Prime Minister of the Republic of Turkey, Mr. Recep Tayyip Erdogan on the sidelines of the Nuclear Security Summit, in Seoul on March 27, 2012.

The Prime Minister, Dr. Manmohan Singh meeting the Prime Minister of the Republic of Turkey, Mr. Recep Tayyip Erdogan on the sidelines of the Nuclear Security Summit, in Seoul on March 27, 2012.

The Prime Minister, Dr. Manmohan Singh with the leaders of the Nuclear Security Summit, in Seoul on March 27, 2012.

The Prime Minister, Dr. Manmohan Singh with the leaders of the Nuclear Security Summit, in Seoul on March 27, 2012.

The Prime Minister, Dr. Manmohan Singh in a group photo with the leaders of the Nuclear Security Summit, in Seoul on March 27, 2012.

The Prime Minister, Dr. Manmohan Singh attending the Plenary Session of the Nuclear Security Summit, in Seoul on March 27, 2012.

The Prime Minister, Dr. Manmohan Singh attending the Plenary Session of the Nuclear Security Summit, in Seoul on March 27, 2012.

The Prime Minister, Dr. Manmohan Singh attending the Plenary Session of the Nuclear Security Summit, in Seoul on March 27, 2012.

The Prime Minister, Dr. Manmohan Singh meeting the Prime Minister of Vietnam, Mr. Nguyen Tan Dung on the sidelines of the Nuclear Security Summit, in Seoul on March 27, 2012.

The Prime Minister, Dr. Manmohan Singh meeting the Prime Minister of Vietnam, Mr. Nguyen Tan Dung on the sidelines of the Nuclear Security Summit, in Seoul on March 27, 2012.

The Prime Minister, Dr. Manmohan Singh meeting the Prime Minister of Norway, Mr. Jens Stoltenberg, on the sidelines of the Nuclear Security Summit, in Seoul on March 26, 2012.

The Prime Minister, Dr. Manmohan Singh meeting the Prime Minister of Norway, Mr. Jens Stoltenberg, on the sidelines of the Nuclear Security Summit, in Seoul on March 26, 2012.

The Prime Minister, Dr. Manmohan Singh meeting the Prime Minister of Italy, Mr. Mario Monti, on the sidelines of the Nuclear Security Summit, in Seoul on March 26, 2012.

The Prime Minister, Dr. Manmohan Singh meeting the Prime Minister of Italy, Mr. Mario Monti, on the sidelines of the Nuclear Security Summit, in Seoul on March 26, 2012.

The Prime Minister, Dr. Manmohan Singh with the South Korean President, Mr. Lee Myung-bak, at the Welcome Reception for the Nuclear Security Summit, in Seoul on March 26, 2012.

The Prime Minister, Dr. Manmohan Singh with the South Korean President, Mr. Lee Myung-bak, at the Welcome Reception for the Nuclear Security Summit, in Seoul on March 26, 2012.

The Prime Minister, Dr. Manmohan Singh with the South Korean President, Mr. Lee Myung-bak, at the Welcome Reception for the Nuclear Security Summit, in Seoul on March 26, 2012.

Smt. Gursharan Kaur paying floral tributes at the statue of Guru Rabindra Nath Tagore, in Seoul on March 26, 2012.

The Prime Minister, Dr. Manmohan Singh at the Interactive meeting with the Korean CEOs, in Seoul, on March 26, 2012.

The Prime Minister, Dr. Manmohan Singh at the Interactive meeting with the Korean CEOs, in Seoul, on March 26, 2012.

The Prime Minister, Dr. Manmohan Singh addressing the Korean CEOs, at an Interactive meeting, in Seoul, on March 26, 2012.

The Prime Minister, Dr. Manmohan Singh laid wreath at the National Cemetery, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh laying wreath at the National Cemetery, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh signing the visitor’s book during his visit at the National Cemetery, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh with the South Korean President, Mr. Lee Myung-bak, at the delegation level talks, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh inspecting the guard of honour with the South Korean President, Mr. Lee Myung-bak, during the ceremonial reception, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh inspecting the guard of honour with the South Korean President, Mr. Lee Myung-bak, during the ceremonial reception, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh with the South Korean President, Mr. Lee Myung-bak, during the ceremonial welcome, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh addressing at the Banquet lunch hosted by the South Korean President, Mr. Lee Myung-bak, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh and his wife Smt. Gursharan Kaur at the Banquet lunch hosted by the South Korean President, Mr. Lee Myung-bak and his wife Mrs. Kim Yoon-ok, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh and his wife Smt. Gursharan Kaur arrived at the Banquet lunch hosted by the South Korean President, Mr. Lee Myung-bak and his wife Mrs. Kim Yoon-ok, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh with the South Korean President, Mr. Lee Myung-bak, during a Joint Press Statement, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh with the South Korean President, Mr. Lee Myung-bak, at a Joint Press Statement, in Seoul on March 25, 2012.

The Secretary (East), Ministry of External Affairs, Government of India, Shri Sanjay Singh and the Vice Minister of Foreign Affairs and Trade, Government Republic of Korea, Mr. Kim sung-han signing the documents in the presence of the Prime Minister, Dr. Manmohan Singh and the South Korean President, Mr. Lee Myung-bak, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh with the South Korean President, Mr. Lee Myung-bak, at a bilateral meeting, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh and his wife Smt. Gursharan Kaur with the South Korean President, Mr. Lee Myung-bak and his wife Mrs. Kim Yoon-ok, at the ceremonial reception, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh and his wife Smt. Gursharan Kaur with the South Korean President, Mr. Lee Myung-bak and his wife Mrs. Kim Yoon-ok, at the ceremonial reception, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh signing the visitor’s book, at the ceremonial reception, in Seoul on March 25, 2012. The South Korean President, Mr. Lee Myung-bak, and his wife Mrs. Kim Yoon-ok and Smt. Gursharan Kaur are also seen.

The Prime Minister, Dr. Manmohan Singh and his wife Smt. Gursharan Kaur being welcomed by the children at the President House of South Korea, in Seoul on March 25, 2012. The South Korean President, Mr. Lee Myung-bak is also seen.

The Prime Minister, Dr. Manmohan Singh meeting the South Korean President, Mr. Lee Myung-bak, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh meeting the South Korean President, Mr. Lee Myung-bak, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh meeting the South Korean President, Mr. Lee Myung-bak, in Seoul on March 25, 2012.

The Prime Minister, Dr. Manmohan Singh arrives at the Seoul air force base, to attend the 2012 Seoul Nuclear Security Summit on March 24, 2012. Smt. Gursharan Kaur is also seen.

The Prime Minister, Dr. Manmohan Singh being received by the South Korea's Vice Foreign Minister, Mr. Kim Sung-han on his arrival at the Seoul air force base, to attend the 2012 Seoul Nuclear Security Summit on March 24, 2012. Smt. Gursharan Kaur is also seen.

The Prime Minister, Dr. Manmohan Singh arrives at the Seoul air force base on March 24, 2012.