False about Myringotomy: (A) Is surgical opening in Tympanic membrane, (B) Done in postero-Inferior quadrant, (C) Indicated even if slight bulge of is TM seen, (D) It heals without any scar
Answer is C. Indications for Myringotomy:

Red bulging TM, where there is impending rupture.
Asom with facial Nerve palsy.
Persistent Effusion.