 On 28 September 2017, University of Delhi conferred upon him the title of Professor Emeritus in recognition of his achievements as Professor of Law.Unarguably, Professor Singh's most important contribution has been by way of analysing and understanding persistent inequalities in Indian society.Within the framework of Indian Constitution, he has argued for a distinction between distributive justice and compensatory justice, emphasising upon the importance of the latter in battling the age old hierarchies within Indian society.