Uttar Pradesh official Achche Lal says organ traffickers are suspected and new autopsies are planned.
The parents of a 16-year-old say his left eye was missing on Sunday, though both eyes were intact when he died from a road accident in Lucknow. The boy's father, Sohan Lal, said doctors told him "the eye might have fallen out."
Relatives of a rickshaw puller who died on Monday from asthma filed a police complaint after finding his body with no eyes. A state hospital worker and two paramedics were arrested.
Ophthalmologist N.B. Singh says government waiting lists for eye transplants are up to six years long, while private hospitals charge at least $500 (about R4000).