Please let me know where you are working and which act applies to your firm, for example, Shops & Commercial Establishments, Industry/Factory, Educational Institutions, etc. There are certain prescribed formats for maintaining the Leave Register and Wage Register under the applicable act. You can also view these formats if you have a copy of the act applicable to your establishment. Regarding the application for the grant of leave, you can design your own format of 'leave application' suitable for you. If you click on the links appearing on your screen, on the right side and bottom, you may find useful information that can help you understand how to proceed.