The court also said that if for any reasons the probe remains inconclusive, the Centre will take appropriate decision to extend the deadline of March 31, 2015.
A Bench headed by Chief Justice H L Dattu also asked the apex court-appointed Special Investigation Team (SIT) to probe the cases of black money to consider the plea for furnishing certain information and correspondences received by it to the petitioners without "blackening" the contents.
The bench, also comprising Justices M B Lokur and A K Sikri, accepted another plea of Jethmalani's counsel Anil Divan that the SIT headed by Justice M B Shah, should consider the plea for providing him the copies of the reports of its probe into the black money cases.
Attorney General Mukul Rohatgi responded to the pleas saying that he would not say "no" for supplying the copies of the reports submitted by the SIT and also assured that the issue of time bar would not arise in the tax probe for suspected black money.
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The bench, in its order, said, "we are confident that the proceedings before the income tax department will be completed by March 31, 2015 and if for any reasons it is not completed, we are confident that appropriate decision will be taken".
Rohatgi said he was not aware as to why certain portions of documents supplied to previous UPA regime was "blackened".
While the issue of masking certain portions of documents was being deliberated, the bench said, "the dates and designation of officers are there and if you will try you can make out everything".