S.271 (1) (c): Penalty-Concealment-Even if the reassessment order was quashed for any reason, the original assessment order would continue to exist-Additional income assessed in reassessment would warrant separate penalty proceedings-Independent of penalty qua income assessed in the original assessment-Matter remanded to CIT(A) for adjudication on merits. [S. 143(3), 147, 148, 250]