A chadar and flowers were offered at the tomb of Khawaja Moinuddin Chisti on Urs at Ajmer on behalf of former Prime Minister Atal Behari Vajpayee.Khadim Abul Bari and Sheikh Asif performed ziyarat on the occasion on Wednesday.A message sent by Vajpayee praying for harmony and peace in the country was also read out.Personal staff of the former Prime Minister, Shiv Kumar Sharma, had carried the chadar of on behalf of Vajpayee.