Mumbai: Bollywood actor Kartik Aaryan has hailed his mother Mala Tiwari, who contracted breast cancer four years ago, for fighting a tough battle against the dreaded disease and emerging victorious out of it. Sharing a post, along with a video on his Instagram handle on Thursday, Kartik said the "journey had been arduous but her positivity, fortitude and fearlessness kept him going." As part of the ongoing National Cancer Awareness Month, an event was held at a Mumbai hospital, where Kartik spent time with cancer survivors. Sharing the video, which features the actor, along with his mother dancing with other cancer survivors, he said, "From going for chemotherapy sessions during the shoot of these songs, to now dancing on stage on the same- The journey has been arduous! But her Positivity, Fortitude and Fearlessness kept us going. Today I can proudly say: My Mom fought the battle against cancer and WON. And for that we are all stronger. "I am so so proud of you...