Vidya Balan has always been vocal about social issues and makes it a point to contribute towards the betterment of the environment, and her recent initiative proves her zeal for the same. Vidya Balan and Siddharth Roy Kapur flew to Himachal Pradesh for a mini-vacation to celebrate their eighth wedding anniversary. Amid the celebration, Vidya, along with husband Siddharth took part in a cleanliness drive in the beautiful locales of Palampur. Watch the video to find out more!