Locket

The emperor�s treacherous relative named Thakur Veer Pratap Singh wants to become the emperor by any means and the only one standing in his way is the crown prince, a mere child. The emperor entrusts his son�s life with his trusted Diwan Sardarilal. When the Diwan and his family are escaping, he is caught. His wife escapes with her children, but the crown prince is separated. Only the Diwan knows who the real crown prince is, as he had placed a locket around his neck. What is in the locket?