"This right rests with the Constitution of India," the 85-year-old historian told PTI.
Habib said it was ironical that Shah seldom lost an opportunity to dub others as "anti-national" when his own party was repeatedly indulging in acts that went against national interest.
Referring to the controversial one-day ban on NDTV India by the Modi government, Habib said a number of news channels and mediapersons in the country had the courage to speak the truth.
"...And speaking the truth can never be an anti-national act," he said.
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