22/4, PQ Puri, New Delhi $23^{\;\text{rd }\;}$ Feburary, 20XX St. Ann's School New Delhi Subject : Acceptance of the invitation Dear Sir, I acknowledge, with gratitude, the invitation extended to me to judge the literary competition which is to be held in St. Ann's School. I accept the invitation whole-heartedly and confirm my presence on that day and time. I will surely make it without fail. Regards, Mohini/Mohan