At least two pilgrims were killed and nine others, including a child, injured in a terror attack when a crude bomb went off at the sufi shrine of Khawaja Moinuddhin Chishti where thousands of devotees gathered to break the day-long Ramzan fast on Thursday.Two persons, including a 45-year-old Mohd Sohaib from Mumbai, died on the spot and nine others were injured in the blast near Aasthan-e-Noor opposite Begum Ki Dhalan when people had gathered there for iftaar, Deepak Upreti, Divisonal Commisioner of Ajmer said.The crude bomb, planted near a tree at Aasthan-e-Noor, went off a minute after the fasting period ended at 1816 IST, he said.Union Home Ministry sources in Delhi said it was a terror strike in which militants had used a low-intensity improvised explosive device.They said the terror outfits, including Pakistan-based Lashkar-e-Toiba, were against sufi Islam and they could be prime suspects behind the blast which came barely ten days ahead of the meeting of Indo-Pakistan anti-terror mechanism here on October 22.CRPF battalions based in Ajmer had been kept in readiness for deployment at the shrine.