Principal Secretary, Department of Revenue, Dr Pawan Kotwal interacting with delegations on Thursday. By Daily Excelsior - February 21, 2020 Share FacebookTwitterWhatsAppPinterestLinkedinTelegramEmailTumblrReddItPrintKoo Principal Secretary, Department of Revenue, Dr Pawan Kotwal interacting with delegations on Thursday. Principal Secretary, Department of Revenue, Dr Pawan Kotwal interacting with delegations on Thursday. Follow our WhatsApp channel