MARIYAPPAN vs STATE OF T.NADU

The Supreme Court upheld the conviction of the appellant under Section 302 IPC for the murder of his aunt, Parvathi, emphasizing that the plea of insanity under Section 84 IPC was not substantiated. The Court found that the appellant had a clear motive related to a land dispute and acted with premeditation, as evidenced by his threats prior to the incident. The judgment of the Madras High Court, which confirmed the lower court's decision, was affirmed, resulting in the dismissal of the appeal.