What is copyright? 

Copyright is a right given by the law to creators of literary, dramatic, musical and artistic works and producers of cinematograph films and sound recordings. 

David famous case 

David an American photographer forgot his camera in the wildlife park. Later on, a Monkey has taken his own photos from the camera. The images went viral and regularly appear on social media, blog posts, and memes. Later on, the PETA has filed a case against David because photographs were clicked by a monkey, not David. Peta sued “on behalf” of the monkey in 2015, seeking financial control of the photographs 
Judges in the US deemed the monkey was ineligible to hold copyright over the image.
As all the laws are made for humans, not animals. 
Under a compromise, Mr. Slater agreed to donate 25 percent of any future revenue from the images to charities dedicated to protecting crested macaques in Indonesia.

Importance of Copyright Registration 

1 Legal Evidence of your ownership 
2 Validity 
3 Your family members and legal heirs can claim royalty after your death.
4 You will get Maximum damages 

 
Some Interesting facts about copyright law that everyone should know

1 For copyright purposes, a sound recording is separate from a composition.
2 Published and unpublished musical works may be copyrighted.
3 You own the copyright from the second you create the work
4 You can’t copyright an idea
5 You own the rights to any images/music/written material you make during a freelance assignment 
6 If you’re an employee of a company for whom you are generating videos, graphics, and images the copyrights to that material belong to the company. 
7 Copyright infringement is almost always a civil rather than a criminal matter.
8 E-mail is copyrighted as soon as it is sent or saved.
9  Students (generally) have copyright over their schoolwork
10  Fair Use is Not a Right

The general rule of copyright law is that you cannot use the work of someone who has a copyright on it but there are some exceptions to it. 

i.   for the purpose of research or private study,
ii.  for criticism or review,
iii. for reporting current events,
iv. in connection with a judicial proceeding,
v.  performance by an amateur club or society if the performance is given to a non-paying audience, and
vi. The making of sound recordings of literary, dramatic or musical works under certain conditions.

The Copyright Act, 1957 protects original literary, dramatic, musical and artistic works and cinematograph films and sound recordings from unauthorized uses.
Unlike the case with patents, copyright protects the expressions and not the ideas. There is no copyright in an idea.

Are copyrights the same for all classes of works?

No. The rights vary according to the class of work.

Is it necessary to register a work to claim copyright?

No. Acquisition of copyright is automatic and it does not require any formality. However, certificate of registration of copyright and the entries made therein serve as prima facie evidence in a court of law with reference to dispute relating to ownership of copyright.

Is copyright protected in perpetuity?

No. It is protected for a limited period of time. It is given for 60 years only 
In the case of original literary, dramatic, musical and artistic works the 60-year period is counted from the year following the death of the author. 
In cinematograph films, sound recordings, photographs, posthumous publications, anonymous and pseudonymous publications, works of government and works of international organizations, the 60-year period is counted from the date of publication.

Are there special courts for copyright?

No. There are no special courts for copyright cases. The regular courts try these cases. There is a Copyright Board to adjudicate certain cases pertaining to copyright.

Has the Registrar of Copyrights any judicial powers?

Yes. The Registrar of Copyrights has the powers of a civil court when trying a suit under the Code of Civil Procedure

Is the copyright of foreign works protected in India?

Yes. Copyrights of works of the countries mentioned in the International Copyright Order are protected in India as if such works are Indian works.

What are the civil remedies for copyright infringement?

A copyright owner can take legal action against any person who infringes the copyright in the work. The copyright owner is entitled to remedies by way of injunctions, damages, and accounts.
Which is the court having jurisdiction over civil remedies in copyright cases?

The District Court concerned has the jurisdiction in civil suits regarding copyright infringement.

Is copyright infringement a cognizable offense?

Yes it is a cognizable offense 
Any police officer, not below the rank of a sub-inspector, may, if he is satisfied that an offense in respect of the infringement of copyright in any work has been, is being, or is likely to be committed, seize without a warrant, all copies of the work 

Here is a video on Copyright law, you can watch this video for a better understanding.