Prime Minister Manmohan Singh and UPA Chairperson Sonia Gandhi on Tuesday paid homage to Satya Sai Baba at Puttaparthi on Tuesday evening. Both the leaders stood in silence in front of the glass casket containing the body of the spiritual leader, who died on Sunday, and placed wreaths at his feet. Sai bhajans were being sung by followers at the hall. Dr. Singh and Mrs. Gandhi, accompanied by Union Minister Information and Broadcasting minister Ambika Soni, had arrived by a special aircraft and drove straight to Prashanthi Nilayam, where baba's body was kept in the Sai Kulwant hall.Sai Baba would be buried in the Sai Kulwant hall with full state honours between 9 and 9.30 am on Wednesday.