Home Minister Rajnath Singh, announcing stringent action against students who raised anti-India slogans on the Jawaharlal Nehru University (JNU) campus, said on Friday they will not be spared."If anyone raises anti-India slogans and tries to raise question on nation's unity and integrity, they will not be spared," Rajnath Singh told media here."Stringent action must be taken against them who raised anti-India slogans in JNU."Students of the JNU on Tuesday organised a meet to mourn the hanging of Parliament attack convict Afzal Guru and Jammu Kashmir Liberation Front (JKLF) co-founder Maqbool Bhat, where anti-India slogans were raised. Another commemorative meeting was held at the Press Club of India in Delhi on Wednesday where anti-India slogans and placards were also raised.