Just hold your self for a 1st half to complete, from second half you will be travelled along with chola dynasty to understand how difficult to rule as a kingdom.
Don't compare PS-I with any fiction movies or don't expect an extra elements can added in PS-I to spice up the movie.
I still can't believe how it could have been possible for Director Mani Ratham to bring it into the shape from a novel by Mr. Kalki.
A great treat for todays generation to know the culture of tamil kings.