Officials said the man did not appear to be targeting Trump or others involved in the trial
However, he said these talks have opened path for future negotiations.
"There was no date fixed for the next round of talks," Sartaj Aziz told media on the sidelines of a book launching ceremony here, Dawn reported.
On Tuesday, the Indian Foreign Secretary S Jaishankar met his Pakastani counterpart Aizaz Chaudry and flagged India's concerns over cross-border terrorism and the slow-moving Mumbai terror attack trial to Pakistan.
The meeting between Jaishankar and his Chaudhary comes seven months after India called off the foreign secretary-level talks over the Pakistani envoy in New Delhi hobnobbing with Kashmiri separatists, ignoring India's objections.