Enjoy '20-20' Full Video Song in the voice of Anu malik, Shadab & Mamta Sharma from bollywood movie Welcome Back exclusively on Hindi Music Entertainment. <br /> <br />Welcome Back Star Cast : ANIL KAPOOR, JOHN ABRAHAM, NANA PATEKAR, SHRUTI HAASAN, NASEERUDDIN SHAH, OM PURI, PARESH RAWAL & OTHERS.
