In the 'Request for Free Museum Access' example, the letter mentions: 'We are altogether 35 students. And 3 teachers will guide us.'
Class 6 › English Grammar and Composition › Chapter 9: Letters & E-mails › Topic: Formal Letters (Application for Picnic, Scholarship, Museum Access, Debate Invitation, Mobile Museum Exhibition, Transfer Certificate, Admission on Transfer, Visa Reference Letter, Volunteering Role)
Aligned to the NCTB national curriculum.