(2)When through mistake or otherwise any instrument which is undervalued and net duly stamped is registered under the Registration Act, 1908, the registering officer may call for the original instrument from the party and, after giving the party liable to pay stamp duty an opportunity of being heard and recording the reasons in writing and furnishing a copy thereof to the party, impound it and on failure to produce such original instrument by the party, a true copy of such instrument taken out from the registration record shall, for the purposes of this section, be deemed to be original of such instrument and send it to the Collector for taking action under sub-section (3).
