President Pratibha Patil on Saturday condoled the death of Sabarimala pilgrims in a stampede at Pullumedu in Kerala's Idukki district.In a letter to the Kerala chief minister and governor, she expressed grief over the tragedy.Patil wished a speedy recovery to all those injured in the incident that took place on Friday.Over 100 pilgrims returning from the shrine were killed and 50 others injured in the stampede.