AHMEDABAD: Police on Saturday booked under the National Security Act (NSA) a man who had returned from Canada and was put under home quarantine for allegedly spreading false information about healthcare facilities in the country. Abhimanyu Acharya of Ghatlodia had returned from Toronto via Abu Dhabi on Saturday.Abhimanyu Acharya claimed that he was not made to go through a temperature scan at Sardar Vallabhbhai Patel International airport and was only asked to fill a self-declaration form. His allegation was proven wrong by CCTV footage shared by the airport authorities.According to the FIR, the state government brought the Epidemic Diseases Act into effect on March 13, 2020 directing that any person who comes from Covid-19 affected countries shall be put under home quarantine for 14 days. On Saturday, officials visited Acharya's house and found him roaming outdoors without a mask, the FIR said.