You are Praveen/Prabha. As the secretary, Science Club of your school, write a notice informing the students about an inter school Science Exhibition and encouraging them to participate in it.
22 February 20xx
Inter School Science Exhibition
This is to inform all the students that our school is organising an Inter School Science Exhibition for the students of Std. IX to XII on March 3, 20xx.
The interested students may give their names to their class teachers by 25 February 20xx I hope you all will show keen interest and make the school proud.
(Secretary, Science Club)