S. 143(2) : Assessment-Notice –Assessing Officer, ITO Ward-5(3), Kolkata issued a notice under section 143(2)-Assessing Officer, ITO Ward-9(2), Kolkata completed assessment without issuing notice under section 143(2) –Additional ground-Order is bad in law –Tax effect is less than 1, 50,0000-SLP of revenue is dismissed as failure to explain the delay of 477 days. [S. 143(3), Art. 136]