Principal Commissioner of Income Tax, AK Thatai interacting with officials of NBCC at Income Tax Colony on Wednesday. By Daily Excelsior - March 4, 2015 Share FacebookTwitterWhatsAppPinterestLinkedinCopy URLTelegramEmailTumblrReddItPrintKoo Principal Commissioner of Income Tax, AK Thatai interacting with officials of NBCC at Income Tax Colony on Wednesday. Principal Commissioner of Income Tax, AK Thatai interacting with officials of NBCC at Income Tax Colony on Wednesday. Follow our WhatsApp channel