Krishna recently accepted an invitation from Foreign Minister Shah Mehmood Qureshi to visit Islamabad for talks on July 15.
Relations between the two countries went into a diplomatic freeze after India blamed Pakistan-based militants for the Mumbai attacks in November 2008.
Last month, the prime ministers of both the countries held talks in Bhutan and asked their officials to take steps as soon as possible to normalise relations.
Krishna also said that the upcoming Pak-India talks promise to further improve chances of productive dialogue between the two countries.
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