India's External Affairs Minister S M Krishna and his U.S. counterpart Hillary Clinton Tuesday discussed the Afghan situation, regional security and bilateral ties during a meeting between the two leaders here. Krishna and Clinton met on the sidelines of an international conference on Afghanistan, the Press Trust of India reported. During their meeting, they discussed issues like bilateral ties, the Afghan situation and regional security. Clinton told Krishna that she will be in New Delhi Tuesday night as she is flying to Seoul, South Korea, and her aircraft needs refueling. She said she will be at the airport in Delhi for 100 minutes. Later, Krishna also met his Afghan counterpart Zalmai Rassoul. The biggest ever conference on Afghanistan has brought together delegates from 70 nations to chalk out the future of Afghanistan The conference was considering a plan to hand over security in the country's 34 provinces to the Afghan government by 2014.