Defence Minister Rajnath Singh on Tuesday spoke to the Indian Army chief, who apprised him about the ground situation and ongoing operation in J&K’s Doda. According to sources Rajnath Singh has given free hand and liberty to act. Four army personnel, including an officer, who were critically injured in a gunfight with heavily armed terrorists, succumbed to injuries in Doda district of Jammu and Kashmir early Tuesday, official sources said.