A case of cheating and criminal breach of trust has been registered against some officials of shipyard firms for allegedly replacing engines of the Maharashtra police's patrolling boats with old ones and cheating the authorities of over Rs 7 crore, an official said on Friday.

An offence under sections 177 (knowingly furnishing false information to a public servant), 197 (issuing or signing false certificate), 406 (punishment for criminal breach of trust) and 420 (cheating) of the IPC has been registered by Sunil Ramanand, additional director general (transport) Maharashtra Police at Chatushringi police station, he said.