Under Indian law, interference in the sale of a house may attract penalties and punishments under different legal provisions depending on the nature of the interference. Here are some relevant sections that can be applied in such cases: Section 441 of the Indian Penal Code (IPC): This section deals with criminal trespass. If someone unlawfully enters the property or interferes with the possession of the property without permission, they may be held liable under this section. Section 426 of the IPC: This section deals with mischief causing damage to the amount of fifty rupees or more. If someone intentionally causes damage to the property or destroys any part of it to interfere with its sale, they may be punishable under this section. Section 504 of the IPC: This section deals with intentional insult with intent to provoke breach of peace. If someone intentionally insults or abuses another person with the intention to disrupt the sale of the property or create a disturbance, they may be liable under this section. Section 506 of the IPC: This section deals with criminal intimidation. If someone threatens to cause harm or injury to a person or their property to prevent the sale of the house, they may be punishable under this section. It's important to note that the specific circumstances and evidence will determine which sections are applicable and the exact penalties or punishments that may be imposed. It is advisable to consult with a legal professional who can provide accurate advice based on the specific details of the case.