Sometimes, in order to cash in on the massive popularity of a character or an actor, the makers decide to go the sequel route to earn more revenue at the Box Office. The success of the first instalment of any film of any series leads the producers to believe that there is a space that will accept the sequels as well. Sometimes they are right and sometimes they are plain wrong.
Bollywood has seen some of the great films that were sequels and acted as a watchable stand-alone film. Sadly the number is quite a few and scattered. If you'll see closely, some of the most popular franchises never needed to go the sequel route and the ones that did fail to match the quality of the original films. Here's a list of 12 Bollywood sequels that were completely unnecessary: