• Corrects “patent errors” and not minor mistakes.
• It is not an appeal; it does not involve re-evaluating the entire case but correcting grave errors resulting in a miscarriage of justice.

• Can be filed by any person aggrieved by a ruling, not necessarily a party to the case.
• Must be filed within 30 days of the judgment or order.
• Delay can be condoned if justified with strong reasons.

• Discovery of new and important evidence not available earlier despite due diligence.
• Mistake or errors apparent on the face of the record.

• Review petitions are usually heard through circulation without oral arguments.
• In exceptional cases, oral hearings may be allowed, especially in death penalty cases. 
• Heard by the same bench of judges who delivered the original judgment or order.

PYQ:

[2017] In India, Judicial Review implies:

(a) the power of the Judiciary to pronounce upon the constitutionality of laws and executive orders.

(b) the power of the Judiciary to question the wisdom of the laws enacted by the Legislatures.

(c) the power of the Judiciary to review all the legislative enactments before they are assented to by the President.

(d) the power of the Judiciary to review its own judgements given earlier in similar or different cases.