More than three lakh hectare of reserved forest land is under encroachment with the highest illegal occupancy of such forests in Madhya Pradesh, the environment ministry said on Thursday. Responding to a query raised in the Rajya Sabha, Minister of State (MoS) for Environment Ashwini Choubey said his ministry has written to the states and Union Territories to remove the encroachments and ensure that no further encroachment takes place.