The Supreme Court Friday issued notice on Rashtriya Janata Dal (RJD)'s plea challenging Patna High Court's decision to quash the Bihar law to increase reservation for Backward Classes, Extremely Backward Classes, Scheduled Castes and Scheduled Tribes (SC/STs) in the State from 50 per cent to 65 percent in public employment and educational institutions [Rashtriya Janata Dal (RJD) v State of Bihar and Ors].