Question

you are the head of the NNC unit of your school write a notice for the school notice board inviting volunteer from class 9th and 10th for the national integration camp

Answer 1

from the NNC of the school (then you name)
dear all the students of class 9 and 10 adressing all of u i want to say that we are oraganing a national intergration camp and cordially invite you as volunteers right there so please do the needful to register your name for the campaign

thank u