Question

write an email to two principles of neighbouring school inviting NCC volunteers from their schools to take part in the National Integration camp

Answer 1

you may change the body of the letter by your choice. but, the basic format of an e.mail remains the same.
HOPE IT HELPS YOU

Answer 2

email address

cc. email of the first principle

cc. email of the second principle

Hello, I am writing this email to invite you in the upcoming National Integration camp on Dec 1st 2018 in our school premises. This will be of great importance to both our schools, students body and the community at large. we will be greatly honored by your presence.

Thank you