Superstar Rajinikanth's birthday is no less than a festival. On the occasion, the Rajini Makkal Mandram on Sunday said the Rajinikanth Foundation would provide training to 100 students from poor and marginalised sections for the group exams being conducted by the Tamil Nadu Public Service Commission. Sudhakar said, "On the occasion of superstar Sri Rajinikanth's 72nd birthday, our beloved Thalaivar …