She also said there was "no rethinking as of now" on the Armed Forces (Special Powers) Act (AFSPA), which has been in force in Jammu and Kashmir and several insurgency-hit states in the Northeast.
The act gives the security forces special rights and immunity in carrying out various operations in disturbed areas. There has been a long-standing demand from various quarters in J-K and the Northeast to withdraw it.
On the situation along the LoC, she said, "We are able to contain infiltration to a large extent. We are also able to retaliate proportionately (to Pakistani actions)."
She said security forces are "eliminating" the infiltrators at the LoC before they could sneak into the Indian side but added that it would be not right to say that no one manages to infiltrate.
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The LoC has remained volatile since last year. According to official figures, 860 incidents of ceasefire violations by Pakistani troops were reported in 2017 as against 221 the year before.
After the Sunjuwan attack, Sitharaman had said that Pakistan would pay for the misadventure.
Following the spate of attacks, the Army had given "full freedom" to locals commanders of the army along the LoC to effectively retaliate any act of violence by Pakistani troops, Army sources had said.
They said the Indian Army has been inflicting heavy casualties to Pakistani troops while replying to Pakistani shelling along the LoC in the last few weeks.
In January, Army Chief Bipin Rawat had also said that time has not come to rethink on AFSPA.
"We have never been strong in applying the force the way it could be applied (under AFSPA). We are very concerned about human rights. We are absolutely concerned about collateral damage," he had said.