Singh, who is in the city for academic purpose, was accompanied by his wife Bharti, sources said, adding it was a "courtesy" visit.
The former Army chief arrived here yesterday for appearing for a viva examination for his doctorate thesis at Barkutallah University.
He is pursuing Ph.D on 'Security implications of rise of fundamentalism in Afghanistan: Its Global and Regional impact with special focus on Wakhan'.
Wakhan is an Afghan territory sandwiched between China and Pakistan.