A report on Van Mahotsava programme.And fast please I have to submit it day after tomorrow.

Such questions need to be attempted on your own to test your creative writing skills. However, the points in the link given below might help you elaborate:
https://www.meritnation.com/ask-answer/question/rohan-is-the-secretary-of-the-cultural-socirty-of-abc-school/sentence-clause-phrase/6229362