Generally, in order to file an application, an applicant is required to file Form 1 which is a request for filing an application and Form 2 which is either a provisional or complete specification or drawings if any. In addition to these, an abstract of the invention is also required. If the application is filed through a registered patent agent, a power of authority in favour of the said agent in Form 26 is also required. The application can be examined only after receipt of request for examination on Form 18.