Vivek Chaturvedi, a 1990-batch IRS (C&IT) officer, has been appointed CBIC Chairman, succeeding Sanjay Kumar Agarwal. Sanjay retired on Nov 28 after modernizing the GST framework. Chaturvedi, previously a CBIC member, also served as principal DG of vigilance, chief vigilance officer, and head of DGARM, focusing on data analytics to combat tax evasion.