Where I can file application for registration of copyright for a work?
You can file it online in the following link.
The Copyright Office has been set up to provide registration facilities to all types of works and is headed by a Registrar of Copyrights and is located at Plot no. 32, Boudhik Sampada Bhawan, Sector 14, Dwarka, New Delhi- 110075. The applications are also accepted by post.