Lectured at various institutions across the country
1. Sardar Vallabhbhai Patel National Police Academy, Mount Abu, Rajasthan and later at Hyderabad when it was shifted there in 1975
2. Administrative Training Institute, Ranchi
3. Police Training College, Hazaribagh
4. Internal Security Academy, Mount Abu
5. Anthropological Survey of India, Calcutta
Gave talks on All India Radio from Patna station
Contributor to the Journal of Lal Bahadur Shastri National Academy of Administration, Mussoorie

Founder of Shankar Shah Vikramashila (SSV) Mahavidyalaya at Kahalgaon in Bhagalpur district while working as SP there by pooling public contribution including a big building on a hillock from a philanthropist after whom he prefixed the name of the college based on the famous ancient Vikramashila University.
Thus he pioneered five decades ago what is now advocated as Public-private partnership (PPP) model of development, tangibly fostering the concept of community policing in India and building bridges to contain students' unrest.

Apart from the exceptional alchemy of brain and brawn that he displayed as an administrator and police officer, he was a thinker, littérateur, poet, a secular devout who broke bread with Muslims during the holy month of Ramzan as much as practicing austere Hindu fast during the whole month of Karthik, personifying in his life the multi-faceted moral actions that he highlights as Gandhi’s character and, therefore, his message in his writings on the Mahatma.

Sinha served as D.I.G. of Police, Criminal Investigation Department till his premature death in harness on 7 November 1979 at the age of 49.

Sinha was promoted to the rank of Deputy Inspector General of Police in June, 1971 and was appointed as the first Member Secretary of the Bihar Police Manual Revision Committee set up by the Govt of Bihar for revising the old colonial manual in recognition of his knowledge and depth over the complex issues of police administration. He took up the onerous task of revising and translating the outdated Bihar Police Manual single-handedly and with single-minded dedication without expecting any support from the so-called committee existing on paper only.
Deputed to Government of India: Appointed as Chief Security Officer, National Coal Development Corporation, Ranchi from 1972 to 1974.He was instrumental in taking over private coal mines into NCDC’s control and set up regular security force as precursor of CISF.
Later he got picked up by Government for the crucial job of Deputy Inspector General of Police, Central Range, Patna (1974–77) for dealing with the turbulent law and order situation due to launch of the students' movement by the legendary leader Jayaprakash Narayan.

Sinha served as Senior Superintendent of Police, Ranchi (1970–71)

Sinha served as Superintendent of Police, Champaran (1958–61)
Superintendent of Police, Bhagalpur (1965-68),
Superintendent of Railway Police, Muzaffarpur (1968–70)

Sinha, an M A in English Literature from Patna University (1949), first became an English Lecturer at C M College, Darbhanga, then at Ranchi College, Ranchi, before joining Indian Police Service in 1952.

Sinha completed his MA in English Literature from Patna University in 1949 at the age of 19. He obtained his BA degree from CM College, Darbhanga. Sinha started his literary pursuits as a teenager. The articles written by him in his student days were published in renowned dailies like ‘Aaj’, ‘Nav Rashtra’ and other publications, inviting the attention of editors.