The purpose(s) served by believing in life after death

Across the world we are experiencing baffling instances which lead us to believe that there is life after death. There are events which lead to communications from dead ; people have seen apparitions resembling the lost ones; there have been occasions when someone comes in dream to tell that now you will not be seeing him/her and next day you hear the sad news of death; incarnation is surfacing from several parts of the world.  Parapsychological researchers across the globe are collecting data on these phenomena and analyzing to explore whether there is life beyond death.  However, from time immemorial, there has been belief that there is survival after death. This belief is serving many purposes in current life. This article tends to examine the same.