Section 132(3)(h) in The Bihar (Coal Mining) Area Development Authority Act, 1986
(h)all lands within the area notified under section 3 of this Act held by any person on leases from the various authorities/organisations set up under the acts listed in sub-sections (1), (2) of this section under a registered deed or lease for residential purpose (and not for commercial purpose or commercial-cum-residential purpose) shall be deemed to be vested in him as perpetual lease on payment of fee to the Authority at the rate of one rupee per square metre;