Nagpada-Mumbai police have arrested two minors for allegedly killing three and half yearold girl . Both minors are the deceased girls neighbours and are students ofSidharth college. After killing the Girl they hid the body in a bag for 19 days. The girl , resident of Duncan road , JJ area was missing since 5th december . Her parents had registeed complaint regarding this.These boys had planned to collect ransom from the girl's father by making threatning calls.Police have also arrested a member of the girls family for alledgedly involvement in this matter.