Anurag Kashyap said he suffered a heart attack and went to a rehab thrice after his film Almost Pyaar With DJ Mohabbat's shooting got delayed and his series 'Tandav' got mired into controversy. He recalled that he left Twitter because his daughter Aaliyah Kashyap was getting "rape threats", which gave her "anxiety attacks". "Slowly, I crawled back...made 'Dobaaraa'," he said.