1. A complete specification of the invention, including the details of how it works and its applications
2. A provisional application for the patent
3. A declaration of inventorship and ownership of the invention
4. Drawings and diagrams of the invention, if applicable
5. Details of the applicant or owner of the invention.

1. Form 1: This is the application form for the grant of a patent and includes details of the applicant, the invention, and its claims.
2. Form 2: It is used to furnish the details of the priority application filed by the applicant, if any.
3. Form 3: This form is used to furnish the details of the inventors of the patent.
4. Form 5: It is used to furnish the details of the government undertaking, if any, to which the patent is to be assigned.
5. Form 26: This form is used to furnish the details of the exclusive marketing rights, if any, claimed by the applicant.

Step 1: File the patent registration application with all the needed documents.
Step 2: After the application is filed, it is published in the official journal, which is available to the public.
Step 3: Submit a request for the patent application’s evaluation. The patent office will review the application after receiving the request for examination and issue a report on the invention’s patentability.
Step 4: If the patent office is satisfied with the patentability of the invention, it will grant the patent to the applicant.

Types of Patent Application
In India, the following types of patent applications can be filed for patent registration process:
~Ordinary Application: This is the most common type of application and is filed by the applicant directly with the patent office.
~Convention Application: It is filed by an applicant who has already filed a patent application in a convention country.
~PCT International Application: This application is filed under the Patent Cooperation Treaty (PCT) and is recognised in all member countries.

Registration of Patent in India allows inventions related to products, processes, and methods to be patented. This includes but is not limited to chemicals, drugs, pharmaceuticals, software and other latest improvements to the existing innovations.

However, the following inventions cannot be patented:
~The discovery of a natural law or scientific principle
~Literary, theatrical, musical, or artistic works are examples of aesthetic creations
~Plans, guidelines, or techniques for engaging in mental activity, playing games, or conducting business Inventions that violate morality or public order
~Inventions that might be harmful to the environment, animals, or people.