Section 0(6)(b) in Bihar Electricity Supply Code, 2007
(b)"unauthorised use of electricity" means the usage of electricity-(i)by any artificial means; or(ii)by a means not authorised by the concerned person or authority or licensee; or(iii)through a tampered meter; or(iv)for the purpose other than for which the usage of electricity was authorized; or(v)for the premises or areas other than those for which the supply of electricity was authorized.