What all things are to be considered for Copyright?
software, web content, books, videos, artwork, films, songs, jingles, musical notes

Copyright useful for:
companies, authors, writers, software developers, artists, designers, architects, musicians, creative geeks and media houses

Cost:
The copyright fees depend upon the type of work to be copyrighted, as the Govt. charges change according to type of work.

When to use © ?
Once you receive the acknowledgement receipt

Renewal:
The validity of copyright registration will lifelong and after 60 years after death of creator it will be open to general public.