The document provides guidelines for writing a report for the National Children's Science Congress. It outlines the required elements and structure of the report, including a cover page, abstract, registration form, index, introduction, aims and objectives, hypothesis, work plan, methodology, observations, results, data analysis, conclusion, inference, solution, future plans, acknowledgements, references, appendix, and log book. Reports must be handwritten in an Indian language on A4 size paper and cannot exceed 2500-3500 words depending on the group. The guidelines aim to standardize report structure and ensure key elements are included to effectively communicate the project work.