Students from schools across India observed a two-minute silence on Wednesday to pay tribute to the children, who became victims to the terror attack on a Peshawar school Pakistan on 16 December.
At least 141 were killed in the Taliban attack at the Army school, including 132 children, on Tuesday.
Students at a Vadodara school had covered their mouths with black bands and held placards asking to "Stop Terrorism," while a set of Kanpur students held placards, urging to "save the globe from cruelty, world is one."
"We are saddened by what has happened in Peshawar..," IBNLive quoted a student in Vadodara as saying.
Prime Minister Narendra Modi and Parliamentarians too observed a two-minute silence, paying tribute to students and others who lost their lives in the deadly attack.
"Both Houses of Parliament observed 2 minutes of silence in solidarity with people of Pakistan in the wake of the terror attack in Peshawar," @PMO tweeted.
Modi also called up his Pakistani counterpart Nawaz Sharif to pay his condolences and assured him that India will be stand by Pakistan against terror attacks.
"India stands firmly with Pakistan in fight against terror. Told PM Sharif we are ready to provide all assistance during this hour of grief," Hindustan Times quoted Modi as saying.
He added that this is the moment for India, Pakistan and every country that believes in humanity to come together against terrorism. He also said he hopes that the students who have witnessed the attack be able to overcome the trauma through counselling.