"India has no business to have any relations with the country (Pakistan) that has chopped off its limbs," the 66-year-old writer told the gathering during ongoing 'India Ideas Conclave 2016' here.
"The day you develop dignity to say we don't want to talk to you, we don't want trade with you, we don't want cement and we don't want to have 'aman ki asha', that's the day they will learn a lesson," he said.
Amid demands by various political outfits in India to ban Pakistani artistes, Fatah said nobody comes here (from Pakistan) without the ISI clearance.
"Nobody comes here without ISI clearance. Where are the people defending the artistes? Whom are they fooling?"
He also criticised Congress Vice President Rahul Gandhi, who has upped his ante against the Narendra Modi government over the 'One Rank One Pension' issue, saying he should first go to the war-front and then talk.