An Indian Army officer and at least three other soldiers were killed in a sudden escalation of cross-border firing on the Line of Control's Bhimber Gali sector.
Mufti said that out of the 41 civilians killed in the last three years, 12 were killed in 2017, 13 in 2016 and 16 in 2015. The mortar shells were aimed at even near residential areas, sources said, Indian Express reported.
The others were Riflemen Ramavatar, 27, from Baraka village in Madhya Pradesh's Gwalior, besides Subham Singh, 23, from Kathua and Havilder Roshan Lal, 43, from Samba in Jammu and Kashmir.
The defence spokesman said the killings won't go in vain. Indian troops retaliated strongly, they added.
Captain Kapil Kundu, a resident of village Ransika in Haryana's Gurgaon district, was killed just six days before his 22nd birthday, Army officials said.
Indian Army also said that "heavy damage" was inflicted on Pakistan Army posts in retaliatory action.
According to army officials, the firing started around 11 am with Pakistani soldiers using small arms, automatics and mortars.
The mortars were fired by Pakistani troops and was responded by Indian forces guarding the LoC, triggering an exchange of fire between the two sides which was continuing when last reports were received, he said.
Officials said the situation was very tense as firing and shelling by Pakistani troops continued round-the-clock. "My condolences to the families of the deceased", she said.
As many as 383 people were injured, including 233 civilians, in the ceasefire violations.
Around 84 schools were closed as a precautionary measure after Pakistan violated ceasefire in Jammu & Kashmir's Rajouri sector on Sunday.