"Anybody, especially the political parties, should not speak anything which helps the forces working against the country. But it is unfortunate that some political parties and some people are speaking the language of separatists on the Kashmir issue," a statement quoted Naqvi as saying at an event.
National security is not an issue of 'rajneeti' ((politics) but a matter of 'rashtraneeti' (national policy) for the BJP, he said.
"We have a clear policy on the issue of national security. We cannot compromise on the issue of national security and national interests," he said.
"We should not allow any conspiracy to succeed in disturbing the countrys unity," he said.
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Naqvi, who was speaking at an event to mark Gurpurab here, said Guru Nanak Devji Maharaj's message of tolerance, harmony, peace and brotherhood is even more relevant today.
India is an example of "unity in diversity" and the culture of tolerance, harmony, peace and brotherhood is at the core of all religions, he said.
Terrorism and separatism have become the biggest challenge to human values and peace in the entire world today, he said.