Emerging from the police station, Kavaratti, after nearly a three-hour long interrogation, Sulthana said, ''Everything is over. I am told that I can go back to Kochi. I will reach Kochi tomorrow or a day after.'' The allegation is that the filmmaker, while participating in a debate telecast by a Malayalam news channel on June 7, had said the Centre used biological weapons against the people of Lakshadweep.