Bihar Chief Minister Nitish Kumar (L) shakes hands with Indian Finance Minister Pranab Mukherjee during a meeting of Indian Chief Ministers on Internal security, in New Delhi on April 16, 2012. Addressing the Chief Ministers' meeting in the capital, Prime Minister Manmohan Singh on April 16, sought the centre and the states' cooperation on internal security and added that since February 2011, the internal security situation has by and large been satisfactory.