"The Commission is to finalise and submit its report within 18 months of its constitution, that is 4th April, 2008," Minister of state for Finance P K Bansal told Rajya Sabha in a written reply.
About implementation of the Pay Commission's recommendations, Bansal said, "since the report is to be submitted, the time frame for its implementation cannot be stated".
With regard to the terms of reference of the Sixth Pay Commission, he said the Commission is examining the desirability and need to sanction any interim relief till the time its recommendations are made.
Source : http://www.hindu.com/thehindu/holnus/000200802261621.htm