Asset which sits in the balance sheet for years without moving, then suddenly wipes out all profit in a single quarter

The most dangerous number on a balance sheet is not always the one that looks wrong. It is often the one that depends heavily on management’s assumptions. The hard reality is that managements in India are extremely creative at making assumptions and then dropping them as they deem fit, just to take investors for a ride.

Raccontata daeconomictimes.indiatimes.com