"It is most unfortunate (remarks of ministers). I am personally pained by it," Kumar told reporters regretting the episode.
"I have already expressed sorrow and disappointment over the remarks of the ministers in the wake of killing of five soldiers......I do not want to repeat the issue again and again as I'm really pained by it," the CM said emerging from "Janata ke darbar mein mukhya mantri" programme.
"When our party president is seized of the matter I need not say anything on it," he added.
Cracking whip on the two ministers, JD(U) President yesterday issued showcause notice to two Bihar ministers asking why disciplinary action should not be taken against them.
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In separate notices to Rural Development Minister Bhim Singh and Agriculture Minister Narendra Singh, party president Sharad Yadav said that their statements were "against the policy, ethics and norms of JD(U)" and asked them to explain within seven days "why disciplinary action should not be taken against you on the above misconduct".
"I don't believe that Pakistan is responsible for the incident (killing of five Indian soldiers by Pakistani army on the LoC in Poonch district) on Tuesday," Agriculture minister Narendra Singh said on Saturday, in remarks which came as further embarrassment for the Nitish Kumar led JD(U) government.