S. 143(3): Assessment – Insolvency of Assessee — Claims to Interim Resolution Professional include claims not yet adjudicated — Insolvency petition during pendency of assessment proceedings — Revenue aware of petition and its approval — No claim before Interim Resolution Professional — Order of assessment and demand is not valid . [Insolvency and Bankruptcy Code, 2016 , S. 31 , The Insolvency and Bankruptcy Board of India (Insolvency Resolution Process for Corporate Persons) Regulations, 2016, Art. 226 ]