Explanation:

 The Mahatma Gandhi National Rural Employment Guarantee Act was notified by the Government of India on September, 2005 and was made effective w.e.f. 2nd February 2006. In the first phase, the National Rural Employment Guarantee scheme (NREGS) was introduced in District Chamba and Sirmour on 2nd February, 2006. In second phase MGNREGA was started in District Kangra and Mandi w.e.f. 1-4-2007. Now in the third phase all the remaining 8 districts of the State have been covered under the scheme w.e.f. 1.4.2008.