Birth time rectification

Birth Time is very important for casting the correct birth chart. It is the basic necessity, without which we can not have actual placements of planets. For any kind of prediction, correct birth time is needed, evendifferences of few minutes changes the placement of planets and nakshatras due to which predictions changes.
This report is for the ones who are not sure or who doesn’t know their correct birth time. Birth time rectification is the most tedious and complicated process, without proper methods and expertise it can not be done.