S. 271(1)(c) : Penalty – Concealment – Addition set aside Levy of penalty is held to be not valid – Not specifying the charge – Levy of penalty is not valid – Penalty on account of deemed concealment is unsustainable as the Assessing Officer has not made any reference to any incriminating material or income declared by the assesssee [ S. 132(4) , 153A, Explanation 5, 274 ]