In the past 15 years, 12 Indian Chief Ministers were aged below 50 years when they assumed office. While Madhu Koda was aged 35 years when he was sworn in as the Jharkhand CM in 2006, 48-year-old Biplab Kumar Deb has assumed office as Tripura CM. UP CM Yogi Adityanath took charge at the age of 44 years.