In August 1990, the National Front Government decided to implement one of the recommendations of the Mandal Commission which sparked agitations and violent protests in many cities of North India. The decision was challenged in the Supreme Court and came to be known as:
(1) Kesavananda Bharti Case
(2) Indira Sawhney Case
(3) Mandal Case
(4) Second Backward Classes Commission Case

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In August 1990, the National Front government made the crucial choice to put into effect one of the recommendations put forth by the Mandal Commission. This particular recommendation concerned the reservation of positions for Other Backward Classes (OBCs) within the central government and its affiliated entities. However, this decision triggered a series of fervent demonstrations and violent protests across numerous cities in northern India. Subsequently, the decision was legally contested and escalated to the Supreme Court, ultimately becoming known as the 'Indira Sawhney case,' named after one of the individuals who filed the petition. In November 1992, the Supreme Court issued a verdict that upheld the government's decision.