"We are discussing the issue of (US) troops withdrawal from Afghanistan and how to deal with the situation. We are taking action," he told reporters here.
Asked what steps the government was taking to face the consequence of the US troops withdrawal from Afghanistan, Singh said such strategic issues cannot be disclosed but made it clear that the government will deal all challenges that come to it with its full might.
Asked about al Qaeda's purported message sent through a video threatening action in some states, he said the authenticity of the CD was still being examined.
"We cannot say much about the CD but I want to tell you that we have enough strength to face any challenge of organisations like al Qaeda," he said.
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Questioned about any possibility of Prime Minister Narendra Modi discussing the al Qaeda threat issue with President Barack Obama during his forthcoming visit to the US, Singh said if America wants to discuss it, there could be a discussion.
He also appreciated Muslim organisations for condemning the al Qaeda message saying their outlook was very positive.
"All Muslim organisations have condemned it. Everyone wants communal harmony and peace. Humanity (Insaniyat) should be maintained. Muslim organisations' outlook is very positive," he said.
Asked about four Muslim youth from Mumbai joining ISIS in Iraq, Singh said the government got the information at that time but at present there was no activity of ISIS in the country.