Singh, who was seen praising Zakir in the video, defended
Himself, saying if there was any evidence against the preacher, then the Indian and Bangladeshi governments should take action against him.
"I have appealed for communal harmony and opposed religious fundamentalism and terrorism by either Hindus or Muslims," the Congress leader added.
However, BJP was quick to target Singh and also demanded action against Zakir, saying he was a "threat" to national security as it was clear from his speeches that he "incited" people.
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Citing Singh's comments, Sharma said, "It is in Congress' character to politicise and glorify terrorism. Its leaders used terms like Hafiz saab and Osama ji for terrorists.
"They questioned the sacrifice of Inspector Mohan Chand Sharma in Batla House encounter and claimed their president Sonia Gandhi cried whole night over the killings (of terrorists) in the encounter."
Attacking Congress, BJP said people have punished it for its "politicisation" of terrorism while the NDA government has adopted zero tolerance to terrorism.
Targeting Naik, Sharma said he is not a 'naik' but "khalnayak" (villain).
"Whether it is Naik or Asaduddin Owaisi, they have been found inciting and helping terrorism by one means or another. They are playing with national security and betraying the country," he said.
BJP spokesperson G V L Narasimha Rao also targeted Congress, accusing it of "politicising" terrorism and sympathising with terrorists but not security personnel as he referred to the Batla House encounter case.