One of the wealthiest business tycoon Sanjay Singhania (Owner of Singhania group of Industries) who was a very nice businessman and fell in love with a beautiful girl Kalpana who was an ad film actress. His life is ruined by a man called Ghajini who killed his love and also damaged his brain and two years later he is suffering from a mental disease called short-term memory lost he is living his life by writing notes, clicking pictures and sketching tattoos on his body just to take avenge from the man ghajini.—Naved Dalkhania