Complex sentence: In a career spanning more than twenty five years, Kumar has appeared in over a hundred Hindi films and has won several awards including the National Film Award for Best Actor for his performance in "Rustom" and two Filmfare Awards.
Split into simpler sentences: In a career spanning more than twenty five years, Kumar has appeared in over a hundred Hindi films. Over the period of time, Kumar has won several awards including the National Film Award for Best Actor for his performance in "Rustom" and two Filmfare Awards.