However, he sought to play down the controversy on the issue saying the past incidents should not be raked up again.
"Procedure as has been in the past, they should have been informed and as far as I know, steps were taken to inform them," the CJI said in response to a question about keeping families of death row convicts informed in time about their execution.
The CJI's remarks came against the backdrop of the family of Guru, a Parliament attack convict, not being informed about his hanging in due time.
The CJI along with Law Minister Ashwani Kumar was addressing a joint press conference after the conclusion of a conference of Chief Ministers and Chief Justices of High Courts here.
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"The Law Minister has rightly said these are the issues which have already taken place in the past and I think these things should not be raked up again today. But yes, the principle has always been that the family members were told about when the things would happen," Justice Kabir said.
Further, he said the issue of mercy petitions is pending before the apex court and he would not like to comment on sub-judice matter.
"Postmortems can be unending. I am not going to comment on what were or were not the shortcomings. As far as the present batch of petitions are concerned that matter is before the Supreme Court. It is sub-judice. I will certainly not comment on that," he said.
He also said he cannot speak about delays in deciding the mercy petitions in the past but "there should not be delay in disposing the mercy petitions.