The expression “has concealed the particulars of income” and “has furnished inaccurate particulars of income” have not been defined either in sec. 271(l)(c) or elsewhere in the Act. One thing is certain that these two circumstances are not identical in details although they may lead to same effect, namely, keeping of a certain portion of income. The former is direct and the later may be indirect in its execution. The word “conceal” is derived from the Latin word “concolare” which implies to hide. In the present appeal, even if a excess depreciation has been claimed by the assessee on the basis of the Companies Act does not mean that the assessee had hidden something, therefore, even if a wrong claim is made, automatically, does not tantamount to furnishing inaccurate particulars. Concealment refers to a deliberate act on the part of the assessee. The primary burden of proof is on the Revenue, before a penalty is imposed u/s 271(l)(c) because by no stretch of imagination, making a incorrect claim, does not tantamount to furnishing inaccurate particulars, therefore, keeping in view the totality of facts and the judicial pronouncements, that too from the Hon’ble Apex Court, no penalty is leviable especially when there is no finding that any details supplied by the assessee in its return is erroneous or incorrect, therefore, mere making a excess claim in itself does not invite imposition of penalty u/s 271(l)(c) because the same cannot amount to furnishing inaccurate particulars