India, April 1 -- April Fool's Day is all about jokes and pranks to lighten your and your loves ones' mood. Not just friends and family, even some big firms have attempted to prank their employees on this day, which is celebrated on 1st day of April. However, a few companies have found that their harmless antics damaged their brands rather than entertaining consumers.

That's because for every successful hoax promoting a phony product like "Game of Thrones" star Thor Bjornsson's HeavyBubbles commercial, there is an overly enthusiastic corporation whose poorly planned antics backfired, sometimes catastrophically.

For Elon Musk's Tesla, March 2018 was a bad month. The electric car company's shares fell to their lowest levels ever, which le...