We write street play little funny little attitude and little suspense. There should be a specific language means if u doing it in Hindi the whole act should be in Hindi. You have to make the act like that so the people have a little interest in it. If it's a school play you can score marks if your act is interesting everyone in your group should be clear and do not stuck in between and speak loudly and show some effort and your interest in the activity. Also the narrator in the starting should speak properly.