The attendance of Pakistan’s Prime Minister Nawaz Sharif to accept the Indian PM designate Mr Modi to attend his oath taking ceremony would be the first of its kind since both countries obtained independence form the British in 1947.
The two nuclear-armed rivals have fought three wars in the past 60 years.
The visit is being viewed with interest as Mr Modi is seen as a hardliner on national security issues and his BJP party advocates a tough stance on Pakistan. Even Mr Modi has made very provocative statements against Pakistan in the past.
It may be added that outgoing Indian PM Mr Singh was invited to Mr Sharif's inauguration last year but did not attend.
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