Sushant Singh Rajput's Birth Anniversary: Kangana Ranaut Says 'I Regret Not Being There For You' News Updated: Thursday, January 21, 2021, 11:35 [IST] Sushant Singh Rajput's untimely demise has left a void in the hearts of his fans, and near and dear ones. Had the actor been alive, he would have been celebrating his thirty-fifth birthday on January 21, 2021. Today, on his 35th birth anniversary, fans are sharing their precious memories on social media and celebrating the day as 'Sushant Day'. Meanwhile, actress Kangana Ranaut took to her Twitter page to pen a long post to remember the late actor. She wrote that she she regrets not being there for the