Analyze the significant Supreme Court decision that established the principle of "Creamy Layer" within the Other Backward Classes (OBCs) category, detailing its implications on the reservation policy in India. Which case does this principle originate from, and what were its primary outcomes?
1
Indra Sawhney & Others vs Union of India (1992)
2
M. Nagaraj & Others vs Union of India (2006)
3
Ashoka Kumar Thakur vs Union of India (2008)
4
Jarnail Singh vs Lachhmi Narain Gupta (2018)