Union Home Minister Rajnath Singh also called up Jammu and Kashmir Chief Minister Mehbooba Mufti and discussed the situation with her.
Abdul Gani Dar was shot at three times from a close range with an AK assault rifle, he said, adding two bullets hit him in the chest and one in the shoulder.
The latest developments from the violence-hit valley.
The former Jammu and Kashmir chief minister said such efforts have lost credibility as there has hardly been any follow-up after similar visits in the past.
The attack comes in less than 24 hours when militants of banned Hizbul Mujahideen ambushed a BSF convoy at neighbouring Goriwan area at Bijbehara killing three of its personnel.
However, it was not clear on what basis most of the people were being held.