New Delhi, Feb 1 (IANS) The internal security situation was by and large stable but serious challenges and threats remained, Prime Minister Manmohan Singh said here Tuesday.
Addressing a meeting of chief ministers on internal security here, the prime minister said there were "serious challenges and threats" from left wing extremism, cross border terrorism and fundamentalism.
He said left wing extremism had seen a decrease over the previous year, but the number of casualties among civilians had increased. "Chhattisgarh, Bihar, West Bengal and Jharkhand continue to be a cause of concern."
He also complimented Home Minister P. Chidambaram and his team for their proactive role in tackling the internal security challenges.