Supreme Court has invalidated the conclusions arrived in M Nagaraj case. It relieved the states from collecting quantifiable data on backwardness for providing reservation in promotions for SCs and STs. It upheld the validity of application of creamy layer in reservations in promotions for STs and SCs.

M Nagaraj Case: The Supreme Court upheld constitutional amendments for the quota in promotions in government jobs while calling for maintenance of data on the extent of backwardness. However, the state  will have to satisfy the test of:
1. Backwardness
2. Inadequate representation
3. Overall efficiency
The court also stated that concept of creamy layer was not to be applied for STs and SCs promotions in government