There are two predominant ways to contribute observations to the Moths of India project:
Contributing image-based observations through the website: Read the info here about contributing media in the appropriate way to contribute observations and store the data on MOI. Specific details regarding image sizes and identification can be found here.
Contributing regional and daily checklists, count data, etc.: Content coming soon...
You can also contribute information in other ways:
Contributing to species pages and other biology pages: In addition to media files, you can also help by contributing species pages (complete pages with references, images and hostplant data etc.) which will help enrich the existing database and add to the growing number of well-curated pages on MOI.