"I express profound grief over the tragic death of the youths and extend my heart-felt condolences to the bereaved family members in their hour of immense grief," she said in a statement issued here.
Mehbooba said disproportionate use of force for crowd control results in loss of precious lives and grave injuries which should be avoided at all costs.
Urging for calm, Mehbooba sought people's cooperation in restoration of normalcy in the Valley.
Violence only brings miseries to the people and tragedies for the victim families, she said and appealed people, especially the youth not to fall prey to the machinations of the vested interests, who play politics over the dead bodies of Kashmiris.
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Mehbooba said the people of Jammu and Kashmir have lots
of problems and the issue has various complications.
While targeting the Opposition for saying that the government has failed, the Chief Minister said it was easy to level allegations.
"It is easy to say government has failed, but in such a critical situation the government fulfilled its responsibility. Our fight was not against gun-yielding militants but youth of 14 to 17 years of age who were made to pitch against us.
She thanked the people of Kashmir for letting the Amarnath Yatra pass off peacefully.
She said National Conference which once enjoyed two-third majority in the state assembly could not resolve the Kashmir issue.
"If anything positive happened, it was during Mufti Mohammad Sayeed's tenure which was fully supported by the then Prime Minister Atal Bihari Vajpayee. There was ceasefire and borders were peaceful from 2003 to 2008 and General Musharraf was also going in the right direction," she claimed.
"Mufti Mohammed Sayeed had shown the way that we cannot erase the borders but make them irrelevant- let our children go to other side and their's come to us and see how we have developed and how they have. How many medical, engineering colleges we have and how many they have," she said.
While appreciating Prime Minister Narendra Modi for his "bold step" of travelling to Lahore to attend the marriage ceremony of Prime Minister Nawaz Sharif's grand daughter, Mehbooba said the "peace initiative" faced a setback after the Pathankot attack.