Exhausted actors falling unconscious while shooting are a common sight. In fact every other day we hear of some actor falling down out of sheer tiredness or under adverse circumstances. The latest to enter the list is newbie Deepika Singh in Star Plus’ <a href =http://www.tellychakkar.com/news/nupur-alankar-diya-aur-baati-hum><em>Diya Aur Baati Hum</em></a>