A Twitter user revealed the incident after posting specifics and images. He insisted that the dal given to the four-year-old patient contained a cockroach.
The Karnataka Milk Federation (KMF) had raised the prices of milk and curds by Rs 3. The KMF cited increase in processing and maintenance costs as the reason for the hike.
The victim, a second-year college student, was alone at home when the crime took place. Later, her younger sister discovered her in the courtyard, unconscious and bleeding from her privates.