Several Twitter users said that his criticism of the Pakistan Army and the Inter-Services Intelligence (ISI) led to his killing.
In the firing and shelling, Maryam Bi, the minor girl, was injured in Kanote forward village and Razia and porter Akbar were injured in Shahpur forward village, the officials said.
The Inter Services Public Relations (ISPR) said that voluntary cuts in the defence budget for a year would not be at the cost of defence and security.
Last month, the government announced that all civil and military institutions would contribute to the austerity-oriented federal budget for 2019-20.
Pakistan's military rarely discloses such convictions, though it says the process of accountability within the army is very tough.
The forum, attended by senior federal ministers and the three services chiefs, including Pakistan Army chief General Qamar Bajwa discussed the geo-strategic environment in the country.
Ghafoor said Pakistan faced a very challenging war against terrorism during the last two decades, and now the security situation was under control.
Sources also revealed that before Abhinandan was moved to Rawalpindi by Pakistan's ISI operatives, he was treated well by the Pakistan Army.
Pakistan army shells forward posts, hamlets along LoC in Jammu and Kashmir's Poonch, 2 civilians injured
Pakistan violated ceasefire by resorting to heavy mortar shelling and firing along the LoC in Mankote and Krishna Ghati sectors of Poonch district.
Tensions flared up between India and Pakistan after a suicide bomber of Pakistan-based Jaish-e-Muhammed (JeM) killed 40 CRPF personnel in Kashmir's Pulwama district on February 14.
Major General Ghafoor's remark assumes significance as India has clarified that any talks will be possible only when Pakistan takes concrete actions against terrorists operating from its land.
Durrani was found guilty of vioating the military code of conduct for co-authoring a controversial book with India's former intelligence head.
Pakistan army bars ex-ISI chief Asad Durrani, two others from appearing on media as defence analysts
The Inter-Services Public Relations, the media wing of the military, has allowed 26 retired officers of the armed forces to appear on media as defence analysts.
Pakistani Army initiated unprovoked ceasefire violation by shelling with mortars and firing of small arms along the LoC in Nowshera sector of Rajouri district.
With Pakistan using heavy weaponry and 120 mm mortar bombs targeting civilian areas along the LoC in Poonch, people have been advised to stay indoors, officials said.