Formal letter formats - inquiry, complaint, application, and response — IITM BS previous year questions

Formal letter formats - inquiry, complaint, application, and response is part of Professional Email and Formal Letter Writing, Week 10 in English 2. 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.