What legal steps to take against blackmail and threats?

File an FIR under Bhartiya Nyaya Sanhita and Sections 66E & 67 of the IT Act. Blackmailing and threatening someone with photos/videos is a serious cybercrime. You can also file a complaint online at the National Cyber Crime Reporting Portal: https://cybercrime.gov.in. For further legal assistance contact us on our helpline number.