Prime Minister Manmohan Singh on Friday greeted the nation on the occasion of Id-ul-Zuha which will be celebrated across the country on Saturday. In his message, Singh said the festival is a celebration of the spirit of sacrifice and brotherhood.<br/><br/>Singh said on the occasion, I convey my best wishes to the people and hope that the spirit of selfless giving symbolise by the Id-ul-Zuha unites all Indians.<br/>