"Kejriwal lacks basic calibre and standard, and I strongly condemn his comments on Vasan. He has been in the habit of levelling allegations without proof or supporting evidence," he told reporters here.
Kejriwal had on Friday released a list of 'corrupt' politicians in Delhi, which included Rahul Gandhi and Central Ministers besides leaders of other parties.
Referring to recent detection and defusing of a powerful pipe bomb under his car here, Narayanasamy voiced concern over failure of Puducherry government to put in place necessary security infrastructure and also to have trained manpower for disposal and defusing of bombs.
"It is, however, unfortunate that when law and order is in shambles and with the rise in bomb culture in the Union Territory, the Puducherry administration is yet to put in place necessary infrastructure such as closed circuit television and to have trained personnel for defusing the bombs as and when they were detected," he said.
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Narayanasamy, who has been provided Z category security by the Home Ministry, said he had presented a letter to the Union Home Minister Sushil Kumar Shinde seeking grant of Rs 25 crore to strengthen the security apparatus in Puducherry.
He also said he brought it to Prime Minister Manmohan Singh's notice and the PM had ordered the investigation Agency to submit in a week's time an interim report on who were behind the crime and other details.