Prithviraj Sukumaran gave many surprises to his fans on his birthdayPrithviraj Sukumaran celebrated his 40th birthday on October 16. The actor-director celebrated his birthday quietly with his wife Supriya Menon. Celebrities such as Telugu superstar Prabhas, Malayalam celebrities Mammootty and Mohanlal, and others wished Prithviraj Sukumaran a happy birthday via special social media messages. On the other side, Prithviraj Sukumaran gave his fans some major []