Blend the paneer and the rose water till smooth in a mixi. Keep aside. Blend the mangoes and sugar to a smooth puree.
Add cardamom powder and mix everything together and transfer to a pan. Gently keep stirring on a low flame till the moisture dries up. Transfer to a plate and let it cool down slightly.
Form into equal size balls. Make a dent in the centre and garnish with chopped pistachios, cardamom powder and saffron. Serve chilled or at room temperature.