S. 151 : Reassessment-Sanction for issue of notice-After the expiry of four years – Sanction obtained from Additional Commissioner not from Principal Chief Commissioner or Chief Commissioner-Notice was quashed-Faceless Assessment-Mandatory condition-Draft Assessment order-Condition not complied with-Final assessment order was quashed and set aside. [S. 144B(1)(xvi), 147, 148, Art. 226]