Structure of a professional email - subject line, salutation, body, closing — IITM BS previous year questions

Structure of a professional email - subject line, salutation, body, closing is part of Email Writing, Week 12 in English 1. Prasnya files every IIT Madras BS previous year question from this subtopic here, each one with a worked explanation. Take the whole set as a timed mock and you get accuracy, pacing and per-question analysis back.