He raised public awareness regarding the discrimination by UPSC which disallowed doctors with disabilities to apply for various Central Health Services (CHS) employment positions.

[10] Singh's RTI revealed that doctors with disabilities are not considered eligible for specialist CHS posts in teaching, non-teaching as well as public health specialties.

Dr. Singh's single-handed relentless fight for justice over four years ultimately forced the Health Ministry to make 1,674 specialist central posts available for disabled doctors.

Disability rights were no longer overlooked or treated as elective or optional, and became a mandated part of the learning curriculum for students enrolled in medical school.

[24] In 2012, Singh held a black armband protest on the United Nations' International Day of Persons with Disabilities in 2012, which led authorities to construct ramps outside all the hostels at his medical college.

[26] In 2013, Singh was a whistleblower to raise awareness about problems faced by voters with disabilities, both before and during the 2013 Delhi Legislative Assembly election, through Right to Information Act.

Singh's continued advocacy on behalf of disabled people also led to ramps being constructed to facilitate access at bank ATM machines in India.

[36] He raised awareness by highlighting inaccessible ATMs at banks,[37] and at post offices throughout the capital, advocating for people with disabilities through the Right to Information Act.

[41] Singh was also instrumental in organising a unique 'Blind with Camera' workshop for the visually impaired and blind students of University of Delhi in 2012 with Partho Bhowmick.

[47] His advocacy led to the withdrawal of similar proforma by IITJEE[48] After Rotary International established World Polio Day (24 October) to commemorate the birthday of virologist Jonas Salk who developed polio vaccine,[49] the erroneous observance was challenged by Singh in his publication in the official journal of the Edward Jenner Society's Vaccine (journal).