Special Leave Petitions in India
In India, Special Leave Petitions (SLP) holds a prime place in the Judiciary of India, and has been provided as a residual power in the hands of Supreme Court of India to be exercised only in cases when any substantial question of law is involved, or gross injustice has been done. It provides the aggrieved party a special permission to be heard in apex court in appeal against any judgment or order of any court/tribunal in the territory of India, except military tribunal and court martial.
Source: Wikipedia — Special Leave Petitions in India (CC BY-SA 4.0)