Justice Manmohan Sarin is a graduate from St. Stephens College, Delhi and a Bachelor of Laws from Faculty of Law, University of Delhi, Campus Law Centre. He completed his Post Graduation course in Industrial law and Labour Relations from Indian Law Institute.

In his earlier days Justice Manmohan Sarin worked as in-house Counsel of IBM, World Trade Corporation for 10 years. Between 1979-1995, Justice Manmohan Sarin practiced as an Advocate in the High Court of Delhi and Supreme Court of India and handled multifarious litigation in Constitutional, Civil, Company matters, Arbitration, Laws relating to Press and Media.

As a Judge of the High Court of Delhi for over 13 years, Justice Manmohan Sarin presided over almost every jurisdiction.

He has been a recipient of award for outstanding contribution for establishing and setting up and running of Delhi High Court Mediation Centre, presented by the Chief Justice of India.

From 2008-2013, Justice Sarin was Lokayukta (Ombudsman) for National Capital Territory of Delhi.

He is also a member of the Indian Council of Arbitration (ICA) and is empaneled as an Arbitrator.