Whoever threatens another with any injury to his person, reputation or property or to the person or reputation of any one in whom that person is interested, with intent to cause that person to give false evidence shall be punished with imprisonment of either description for a term which may extend to seven years, or with fine, or with both;
and if innocent person is convicted and sentenced in consequence of such false evidence, with death or imprisonment for more than seven years, the person who threatens shall be punished with the same punishment and sentence in the same manner and to the same extent such innocent person is punished and sentenced"
192 IPC Fabricating false evidence
193 IPC Punishment for false evidence
194 IPC Giving or fabricating false evidence with intent to procure conviction of capital offence
195A IPC Threatening any person to give false evidence
196 IPC Using evidence known to be false
197 IPC Issuing or signing false certificate
198 IPC Using as true a certificate known to be false
199 IPC False statement made in declaration which is by law receivable as evidence
200 IPC Using as true such declaration knowing it to be false