What will happen if we exceeded the word limit in the IBPS PO descriptive paper? The complete letter writing for PO Mains exams.In this video I'm going to write one sample formal letter for you now as you know in descriptive English you have letter writing as well. The document provides tips and samples for writing letters. Some key points include: 1) It outlines the proper format for formal letters. Forms ; ADOPT-230, Adoption Expenses ; ADOPT-310, Contact After Adoption Agreement ; ADOPT-315, Request to: Enforce, Change, End Contact After Adoption Agreement.