India and the United States have signed an accord enabling them to jointly secure their cyber spaces. The accord signed on Tuesday evening will also make it possible for the two countries to exchange information on cyber strikes, cooperate on technology and exchange information on cyber security policy and capacity building. The pact was signed by Secretary, Information and Technology R. Chandersekhear and Deputy Secretary of the US Homeland security Jane Holl Lute.The two countries are holding a higher education summit in Washington in October this year. The summit would incorporate private and non-governmental sector and higher education experts to help government to government discussions. A special initiative has been created to encourage American students to study in India. At present one lakh Indian students are studying in United States.All these issues came up for discussions in the second Indo-US strategic dialogue held in New Delhi on Tuesday. The Indian side in the dialogue was led by External Affairs Minister S.M. Kirshna and American delegation by his counterpart Hillary Clinton. Talking to reporters after two and a half hour long meeting, the External Affiars Minister S.M. Krishna urged United States to factor ground realities before leaving Afghanistan and ensure that the war torn country is able to defend itself against Taliban terrorists. He said India is closely following the happenings in Afghanistan.In response to questions, the US Secretary of State Hillary Clinton asked Pakistan to do more to curb terrorism. Ms. Clinton said Islamabad has special obligation not to allow terrorists to have safe havens on its soil. Replying questions, she forcefully called for removing irritants to reap the rewards of Indo-US civil nuclear deal. Ms. Clinton while reiterating America's commitment to the implementation of the historic deal also advocated to strengthen military ties including the sale of defence technologies and open up markets for realising the vision of Barack Obama and Dr. Manmohan Singh to make the bilateral partnership a defining one in the 21st century.During her stay in the national capital, Ms. Clinton called on the Prime Minister Dr. Manmohan Singh and held meetings with the Finance Minister Mr. Pranab Mukherjee, UPA Chairperson Mrs. Sonia Gandhi and Leader of Opposition in Lok Sabha Mrs. Sushma Swaraj on a host of issues of mutual interest.