Section 83A(4) in The Bihar State Housing Board Act, 1982
(4)Where the tenant sublets the building or any part thereof belonging to the Board in contravention of the terms of tenancy his tenancy shall stand terminated with effect from the date of subletting and both the tenant and sub-tenant shall be liable to pay damages jointly and severally to the Board at a rate equal to three times the rate of rent payable for the building immediately before the termination.